Home / 22,633.12-31,232.78-12,561.98

Finding the Fourth Proportional to 22,633.12, 31,232.78 and 12,561.98

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Solution

The fourth proportional to 22,633.12, 31,232.78 and 12,561.98 is: 17,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.12 : 31,232.78 = 12,561.98 : x
  2. Step 2: Convert to fraction form
    22,633.12/31,232.78 = 12,561.98/x
  3. Step 3: Cross multiply
    22,633.12x = 31,232.78 × 12,561.98
  4. Step 4: Simplify right side
    22,633.12x = 392,345,557.70
  5. Step 5: Solve for x
    x = 392,345,557.70/22,633.12
  6. Step 6: Final answer
    x = 17,335.02

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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.