Home / 38,686.20-57,986.10-16,495.80

Finding the Fourth Proportional to 38,686.20, 57,986.10 and 16,495.80

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Solution

The fourth proportional to 38,686.20, 57,986.10 and 16,495.80 is: 24,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.20 : 57,986.10 = 16,495.80 : x
  2. Step 2: Convert to fraction form
    38,686.20/57,986.10 = 16,495.80/x
  3. Step 3: Cross multiply
    38,686.20x = 57,986.10 × 16,495.80
  4. Step 4: Simplify right side
    38,686.20x = 956,527,108.38
  5. Step 5: Solve for x
    x = 956,527,108.38/38,686.20
  6. Step 6: Final answer
    x = 24,725.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.