Home / 22,741.20-31,360.32-20,526.12

Finding the Fourth Proportional to 22,741.20, 31,360.32 and 20,526.12

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Solution

The fourth proportional to 22,741.20, 31,360.32 and 20,526.12 is: 28,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.20 : 31,360.32 = 20,526.12 : x
  2. Step 2: Convert to fraction form
    22,741.20/31,360.32 = 20,526.12/x
  3. Step 3: Cross multiply
    22,741.20x = 31,360.32 × 20,526.12
  4. Step 4: Simplify right side
    22,741.20x = 643,705,691.56
  5. Step 5: Solve for x
    x = 643,705,691.56/22,741.20
  6. Step 6: Final answer
    x = 28,305.70

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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.