Home / 27,125.28-37,407.90-18,612.38

Finding the Fourth Proportional to 27,125.28, 37,407.90 and 18,612.38

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Solution

The fourth proportional to 27,125.28, 37,407.90 and 18,612.38 is: 25,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.28 : 37,407.90 = 18,612.38 : x
  2. Step 2: Convert to fraction form
    27,125.28/37,407.90 = 18,612.38/x
  3. Step 3: Cross multiply
    27,125.28x = 37,407.90 × 18,612.38
  4. Step 4: Simplify right side
    27,125.28x = 696,250,049.80
  5. Step 5: Solve for x
    x = 696,250,049.80/27,125.28
  6. Step 6: Final answer
    x = 25,667.94

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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.