Home / 38,074.15-57,115.02-13,110.88

Finding the Fourth Proportional to 38,074.15, 57,115.02 and 13,110.88

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Solution

The fourth proportional to 38,074.15, 57,115.02 and 13,110.88 is: 19,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.15 : 57,115.02 = 13,110.88 : x
  2. Step 2: Convert to fraction form
    38,074.15/57,115.02 = 13,110.88/x
  3. Step 3: Cross multiply
    38,074.15x = 57,115.02 × 13,110.88
  4. Step 4: Simplify right side
    38,074.15x = 748,828,173.42
  5. Step 5: Solve for x
    x = 748,828,173.42/38,074.15
  6. Step 6: Final answer
    x = 19,667.63

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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.