Home / 22,660.17-31,264.56-13,701.18

Finding the Fourth Proportional to 22,660.17, 31,264.56 and 13,701.18

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Solution

The fourth proportional to 22,660.17, 31,264.56 and 13,701.18 is: 18,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.17 : 31,264.56 = 13,701.18 : x
  2. Step 2: Convert to fraction form
    22,660.17/31,264.56 = 13,701.18/x
  3. Step 3: Cross multiply
    22,660.17x = 31,264.56 × 13,701.18
  4. Step 4: Simplify right side
    22,660.17x = 428,361,364.18
  5. Step 5: Solve for x
    x = 428,361,364.18/22,660.17
  6. Step 6: Final answer
    x = 18,903.71

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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.