Home / 22,569.17-31,122.63-15,005.79

Finding the Fourth Proportional to 22,569.17, 31,122.63 and 15,005.79

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Solution

The fourth proportional to 22,569.17, 31,122.63 and 15,005.79 is: 20,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.17 : 31,122.63 = 15,005.79 : x
  2. Step 2: Convert to fraction form
    22,569.17/31,122.63 = 15,005.79/x
  3. Step 3: Cross multiply
    22,569.17x = 31,122.63 × 15,005.79
  4. Step 4: Simplify right side
    22,569.17x = 467,019,650.03
  5. Step 5: Solve for x
    x = 467,019,650.03/22,569.17
  6. Step 6: Final answer
    x = 20,692.82

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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.