Home / 27,538.50-38,002.85-14,963.30

Finding the Fourth Proportional to 27,538.50, 38,002.85 and 14,963.30

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Solution

The fourth proportional to 27,538.50, 38,002.85 and 14,963.30 is: 20,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.50 : 38,002.85 = 14,963.30 : x
  2. Step 2: Convert to fraction form
    27,538.50/38,002.85 = 14,963.30/x
  3. Step 3: Cross multiply
    27,538.50x = 38,002.85 × 14,963.30
  4. Step 4: Simplify right side
    27,538.50x = 568,648,045.41
  5. Step 5: Solve for x
    x = 568,648,045.41/27,538.50
  6. Step 6: Final answer
    x = 20,649.20

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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.