Home / 22,806.50-31,472.66-12,735.11

Finding the Fourth Proportional to 22,806.50, 31,472.66 and 12,735.11

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Solution

The fourth proportional to 22,806.50, 31,472.66 and 12,735.11 is: 17,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.50 : 31,472.66 = 12,735.11 : x
  2. Step 2: Convert to fraction form
    22,806.50/31,472.66 = 12,735.11/x
  3. Step 3: Cross multiply
    22,806.50x = 31,472.66 × 12,735.11
  4. Step 4: Simplify right side
    22,806.50x = 400,807,897.61
  5. Step 5: Solve for x
    x = 400,807,897.61/22,806.50
  6. Step 6: Final answer
    x = 17,574.28

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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.