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Finding the Fourth Proportional to 14,900.16, 20,555.04 and 9,593.28

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Solution

The fourth proportional to 14,900.16, 20,555.04 and 9,593.28 is: 13,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.16 : 20,555.04 = 9,593.28 : x
  2. Step 2: Convert to fraction form
    14,900.16/20,555.04 = 9,593.28/x
  3. Step 3: Cross multiply
    14,900.16x = 20,555.04 × 9,593.28
  4. Step 4: Simplify right side
    14,900.16x = 197,190,254.13
  5. Step 5: Solve for x
    x = 197,190,254.13/14,900.16
  6. Step 6: Final answer
    x = 13,234.10

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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.