Home / 22,721.59-31,350.04-14,227.84

Finding the Fourth Proportional to 22,721.59, 31,350.04 and 14,227.84

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Solution

The fourth proportional to 22,721.59, 31,350.04 and 14,227.84 is: 19,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.59 : 31,350.04 = 14,227.84 : x
  2. Step 2: Convert to fraction form
    22,721.59/31,350.04 = 14,227.84/x
  3. Step 3: Cross multiply
    22,721.59x = 31,350.04 × 14,227.84
  4. Step 4: Simplify right side
    22,721.59x = 446,043,353.11
  5. Step 5: Solve for x
    x = 446,043,353.11/22,721.59
  6. Step 6: Final answer
    x = 19,630.82

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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.