Home / 15,053.38-20,791.35-12,038.96

Finding the Fourth Proportional to 15,053.38, 20,791.35 and 12,038.96

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Solution

The fourth proportional to 15,053.38, 20,791.35 and 12,038.96 is: 16,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.38 : 20,791.35 = 12,038.96 : x
  2. Step 2: Convert to fraction form
    15,053.38/20,791.35 = 12,038.96/x
  3. Step 3: Cross multiply
    15,053.38x = 20,791.35 × 12,038.96
  4. Step 4: Simplify right side
    15,053.38x = 250,306,282.97
  5. Step 5: Solve for x
    x = 250,306,282.97/15,053.38
  6. Step 6: Final answer
    x = 16,627.92

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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.