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Finding the Fourth Proportional to 18,097.17, 24,973.40 and 10,139.00

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Solution

The fourth proportional to 18,097.17, 24,973.40 and 10,139.00 is: 13,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.17 : 24,973.40 = 10,139.00 : x
  2. Step 2: Convert to fraction form
    18,097.17/24,973.40 = 10,139.00/x
  3. Step 3: Cross multiply
    18,097.17x = 24,973.40 × 10,139.00
  4. Step 4: Simplify right side
    18,097.17x = 253,205,127.04
  5. Step 5: Solve for x
    x = 253,205,127.04/18,097.17
  6. Step 6: Final answer
    x = 13,991.42

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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.