Home / 38,807.43-58,209.53-11,105.43

Finding the Fourth Proportional to 38,807.43, 58,209.53 and 11,105.43

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Solution

The fourth proportional to 38,807.43, 58,209.53 and 11,105.43 is: 16,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,807.43 : 58,209.53 = 11,105.43 : x
  2. Step 2: Convert to fraction form
    38,807.43/58,209.53 = 11,105.43/x
  3. Step 3: Cross multiply
    38,807.43x = 58,209.53 × 11,105.43
  4. Step 4: Simplify right side
    38,807.43x = 646,441,860.75
  5. Step 5: Solve for x
    x = 646,441,860.75/38,807.43
  6. Step 6: Final answer
    x = 16,657.68

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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.