Home / 22,926.11-31,656.72-18,677.86

Finding the Fourth Proportional to 22,926.11, 31,656.72 and 18,677.86

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Solution

The fourth proportional to 22,926.11, 31,656.72 and 18,677.86 is: 25,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.11 : 31,656.72 = 18,677.86 : x
  2. Step 2: Convert to fraction form
    22,926.11/31,656.72 = 18,677.86/x
  3. Step 3: Cross multiply
    22,926.11x = 31,656.72 × 18,677.86
  4. Step 4: Simplify right side
    22,926.11x = 591,279,775.12
  5. Step 5: Solve for x
    x = 591,279,775.12/22,926.11
  6. Step 6: Final answer
    x = 25,790.68

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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.