Home / 38,778.04-58,167.08-12,484.84

Finding the Fourth Proportional to 38,778.04, 58,167.08 and 12,484.84

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Solution

The fourth proportional to 38,778.04, 58,167.08 and 12,484.84 is: 18,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.04 : 58,167.08 = 12,484.84 : x
  2. Step 2: Convert to fraction form
    38,778.04/58,167.08 = 12,484.84/x
  3. Step 3: Cross multiply
    38,778.04x = 58,167.08 × 12,484.84
  4. Step 4: Simplify right side
    38,778.04x = 726,206,687.07
  5. Step 5: Solve for x
    x = 726,206,687.07/38,778.04
  6. Step 6: Final answer
    x = 18,727.27

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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.