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Finding the Fourth Proportional to 14,113.58, 19,476.58 and 8,145.12

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Solution

The fourth proportional to 14,113.58, 19,476.58 and 8,145.12 is: 11,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.58 : 19,476.58 = 8,145.12 : x
  2. Step 2: Convert to fraction form
    14,113.58/19,476.58 = 8,145.12/x
  3. Step 3: Cross multiply
    14,113.58x = 19,476.58 × 8,145.12
  4. Step 4: Simplify right side
    14,113.58x = 158,639,081.29
  5. Step 5: Solve for x
    x = 158,639,081.29/14,113.58
  6. Step 6: Final answer
    x = 11,240.17

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Half scale
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Double scale
Find fourth proportional to 14,114.58, 19,477.96 and 8,146.12
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.