Home / 22,600.67-31,190.57-12,529.99

Finding the Fourth Proportional to 22,600.67, 31,190.57 and 12,529.99

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Solution

The fourth proportional to 22,600.67, 31,190.57 and 12,529.99 is: 17,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.67 : 31,190.57 = 12,529.99 : x
  2. Step 2: Convert to fraction form
    22,600.67/31,190.57 = 12,529.99/x
  3. Step 3: Cross multiply
    22,600.67x = 31,190.57 × 12,529.99
  4. Step 4: Simplify right side
    22,600.67x = 390,817,553.52
  5. Step 5: Solve for x
    x = 390,817,553.52/22,600.67
  6. Step 6: Final answer
    x = 17,292.30

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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.