Home / 24,972.68-34,460.78-13,639.88

Finding the Fourth Proportional to 24,972.68, 34,460.78 and 13,639.88

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Solution

The fourth proportional to 24,972.68, 34,460.78 and 13,639.88 is: 18,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,972.68 : 34,460.78 = 13,639.88 : x
  2. Step 2: Convert to fraction form
    24,972.68/34,460.78 = 13,639.88/x
  3. Step 3: Cross multiply
    24,972.68x = 34,460.78 × 13,639.88
  4. Step 4: Simplify right side
    24,972.68x = 470,040,835.71
  5. Step 5: Solve for x
    x = 470,040,835.71/24,972.68
  6. Step 6: Final answer
    x = 18,822.20

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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.