Home / 22,501.17-31,052.91-13,551.57

Finding the Fourth Proportional to 22,501.17, 31,052.91 and 13,551.57

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Solution

The fourth proportional to 22,501.17, 31,052.91 and 13,551.57 is: 18,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.17 : 31,052.91 = 13,551.57 : x
  2. Step 2: Convert to fraction form
    22,501.17/31,052.91 = 13,551.57/x
  3. Step 3: Cross multiply
    22,501.17x = 31,052.91 × 13,551.57
  4. Step 4: Simplify right side
    22,501.17x = 420,815,683.57
  5. Step 5: Solve for x
    x = 420,815,683.57/22,501.17
  6. Step 6: Final answer
    x = 18,701.95

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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.