Home / 38,980.19-58,469.76-9,397.78

Finding the Fourth Proportional to 38,980.19, 58,469.76 and 9,397.78

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Solution

The fourth proportional to 38,980.19, 58,469.76 and 9,397.78 is: 14,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.19 : 58,469.76 = 9,397.78 : x
  2. Step 2: Convert to fraction form
    38,980.19/58,469.76 = 9,397.78/x
  3. Step 3: Cross multiply
    38,980.19x = 58,469.76 × 9,397.78
  4. Step 4: Simplify right side
    38,980.19x = 549,486,087.31
  5. Step 5: Solve for x
    x = 549,486,087.31/38,980.19
  6. Step 6: Final answer
    x = 14,096.55

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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.