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Finding the Fourth Proportional to 14,798.76, 20,425.14 and 9,500.28

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Solution

The fourth proportional to 14,798.76, 20,425.14 and 9,500.28 is: 13,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.76 : 20,425.14 = 9,500.28 : x
  2. Step 2: Convert to fraction form
    14,798.76/20,425.14 = 9,500.28/x
  3. Step 3: Cross multiply
    14,798.76x = 20,425.14 × 9,500.28
  4. Step 4: Simplify right side
    14,798.76x = 194,044,549.04
  5. Step 5: Solve for x
    x = 194,044,549.04/14,798.76
  6. Step 6: Final answer
    x = 13,112.22

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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.