Home / 18,061.52-24,925.58-10,103.72

Finding the Fourth Proportional to 18,061.52, 24,925.58 and 10,103.72

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Solution

The fourth proportional to 18,061.52, 24,925.58 and 10,103.72 is: 13,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.52 : 24,925.58 = 10,103.72 : x
  2. Step 2: Convert to fraction form
    18,061.52/24,925.58 = 10,103.72/x
  3. Step 3: Cross multiply
    18,061.52x = 24,925.58 × 10,103.72
  4. Step 4: Simplify right side
    18,061.52x = 251,841,081.16
  5. Step 5: Solve for x
    x = 251,841,081.16/18,061.52
  6. Step 6: Final answer
    x = 13,943.52

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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.