Home / 18,097.20-24,974.46-10,139.40

Finding the Fourth Proportional to 18,097.20, 24,974.46 and 10,139.40

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Solution

The fourth proportional to 18,097.20, 24,974.46 and 10,139.40 is: 13,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.20 : 24,974.46 = 10,139.40 : x
  2. Step 2: Convert to fraction form
    18,097.20/24,974.46 = 10,139.40/x
  3. Step 3: Cross multiply
    18,097.20x = 24,974.46 × 10,139.40
  4. Step 4: Simplify right side
    18,097.20x = 253,226,039.72
  5. Step 5: Solve for x
    x = 253,226,039.72/18,097.20
  6. Step 6: Final answer
    x = 13,992.55

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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.