Home / 22,250.96-30,731.52-15,165.08

Finding the Fourth Proportional to 22,250.96, 30,731.52 and 15,165.08

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Solution

The fourth proportional to 22,250.96, 30,731.52 and 15,165.08 is: 20,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.96 : 30,731.52 = 15,165.08 : x
  2. Step 2: Convert to fraction form
    22,250.96/30,731.52 = 15,165.08/x
  3. Step 3: Cross multiply
    22,250.96x = 30,731.52 × 15,165.08
  4. Step 4: Simplify right side
    22,250.96x = 466,045,959.32
  5. Step 5: Solve for x
    x = 466,045,959.32/22,250.96
  6. Step 6: Final answer
    x = 20,944.98

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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.