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Finding the Fourth Proportional to 14,352.26, 19,807.94 and 8,064.63

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Solution

The fourth proportional to 14,352.26, 19,807.94 and 8,064.63 is: 11,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.26 : 19,807.94 = 8,064.63 : x
  2. Step 2: Convert to fraction form
    14,352.26/19,807.94 = 8,064.63/x
  3. Step 3: Cross multiply
    14,352.26x = 19,807.94 × 8,064.63
  4. Step 4: Simplify right side
    14,352.26x = 159,743,727.32
  5. Step 5: Solve for x
    x = 159,743,727.32/14,352.26
  6. Step 6: Final answer
    x = 11,130.22

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Half scale
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Double scale
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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.