Home / 26,938.72-37,175.34-15,002.20

Finding the Fourth Proportional to 26,938.72, 37,175.34 and 15,002.20

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Solution

The fourth proportional to 26,938.72, 37,175.34 and 15,002.20 is: 20,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.72 : 37,175.34 = 15,002.20 : x
  2. Step 2: Convert to fraction form
    26,938.72/37,175.34 = 15,002.20/x
  3. Step 3: Cross multiply
    26,938.72x = 37,175.34 × 15,002.20
  4. Step 4: Simplify right side
    26,938.72x = 557,711,885.75
  5. Step 5: Solve for x
    x = 557,711,885.75/26,938.72
  6. Step 6: Final answer
    x = 20,702.98

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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.