Home / 15,022.59-20,732.97-8,734.96

Finding the Fourth Proportional to 15,022.59, 20,732.97 and 8,734.96

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Solution

The fourth proportional to 15,022.59, 20,732.97 and 8,734.96 is: 12,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.59 : 20,732.97 = 8,734.96 : x
  2. Step 2: Convert to fraction form
    15,022.59/20,732.97 = 8,734.96/x
  3. Step 3: Cross multiply
    15,022.59x = 20,732.97 × 8,734.96
  4. Step 4: Simplify right side
    15,022.59x = 181,101,663.63
  5. Step 5: Solve for x
    x = 181,101,663.63/15,022.59
  6. Step 6: Final answer
    x = 12,055.29

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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.