Home / 27,675.18-38,191.72-15,099.93

Finding the Fourth Proportional to 27,675.18, 38,191.72 and 15,099.93

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Solution

The fourth proportional to 27,675.18, 38,191.72 and 15,099.93 is: 20,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.18 : 38,191.72 = 15,099.93 : x
  2. Step 2: Convert to fraction form
    27,675.18/38,191.72 = 15,099.93/x
  3. Step 3: Cross multiply
    27,675.18x = 38,191.72 × 15,099.93
  4. Step 4: Simplify right side
    27,675.18x = 576,692,032.12
  5. Step 5: Solve for x
    x = 576,692,032.12/27,675.18
  6. Step 6: Final answer
    x = 20,837.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.