Home / 22,658.33-31,278.96-13,588.02

Finding the Fourth Proportional to 22,658.33, 31,278.96 and 13,588.02

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Solution

The fourth proportional to 22,658.33, 31,278.96 and 13,588.02 is: 18,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.33 : 31,278.96 = 13,588.02 : x
  2. Step 2: Convert to fraction form
    22,658.33/31,278.96 = 13,588.02/x
  3. Step 3: Cross multiply
    22,658.33x = 31,278.96 × 13,588.02
  4. Step 4: Simplify right side
    22,658.33x = 425,019,134.06
  5. Step 5: Solve for x
    x = 425,019,134.06/22,658.33
  6. Step 6: Final answer
    x = 18,757.74

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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.