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Finding the Fourth Proportional to 14,263.56, 19,678.14 and 8,294.13

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Solution

The fourth proportional to 14,263.56, 19,678.14 and 8,294.13 is: 11,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.56 : 19,678.14 = 8,294.13 : x
  2. Step 2: Convert to fraction form
    14,263.56/19,678.14 = 8,294.13/x
  3. Step 3: Cross multiply
    14,263.56x = 19,678.14 × 8,294.13
  4. Step 4: Simplify right side
    14,263.56x = 163,213,051.32
  5. Step 5: Solve for x
    x = 163,213,051.32/14,263.56
  6. Step 6: Final answer
    x = 11,442.66

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Half scale
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Double scale
Find fourth proportional to 14,264.56, 19,679.52 and 8,295.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.