Home / 38,778.02-58,167.25-13,819.02

Finding the Fourth Proportional to 38,778.02, 58,167.25 and 13,819.02

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Solution

The fourth proportional to 38,778.02, 58,167.25 and 13,819.02 is: 20,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.02 : 58,167.25 = 13,819.02 : x
  2. Step 2: Convert to fraction form
    38,778.02/58,167.25 = 13,819.02/x
  3. Step 3: Cross multiply
    38,778.02x = 58,167.25 × 13,819.02
  4. Step 4: Simplify right side
    38,778.02x = 803,814,574.67
  5. Step 5: Solve for x
    x = 803,814,574.67/38,778.02
  6. Step 6: Final answer
    x = 20,728.62

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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.