Home / 22,721.42-31,344.57-14,652.95

Finding the Fourth Proportional to 22,721.42, 31,344.57 and 14,652.95

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Solution

The fourth proportional to 22,721.42, 31,344.57 and 14,652.95 is: 20,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.42 : 31,344.57 = 14,652.95 : x
  2. Step 2: Convert to fraction form
    22,721.42/31,344.57 = 14,652.95/x
  3. Step 3: Cross multiply
    22,721.42x = 31,344.57 × 14,652.95
  4. Step 4: Simplify right side
    22,721.42x = 459,290,260.26
  5. Step 5: Solve for x
    x = 459,290,260.26/22,721.42
  6. Step 6: Final answer
    x = 20,213.97

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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.