Home / 38,862.64-58,302.21-12,565.38

Finding the Fourth Proportional to 38,862.64, 58,302.21 and 12,565.38

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Solution

The fourth proportional to 38,862.64, 58,302.21 and 12,565.38 is: 18,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862.64 : 58,302.21 = 12,565.38 : x
  2. Step 2: Convert to fraction form
    38,862.64/58,302.21 = 12,565.38/x
  3. Step 3: Cross multiply
    38,862.64x = 58,302.21 × 12,565.38
  4. Step 4: Simplify right side
    38,862.64x = 732,589,423.49
  5. Step 5: Solve for x
    x = 732,589,423.49/38,862.64
  6. Step 6: Final answer
    x = 18,850.74

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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.