Home / 25,434.72-38,151.96-7,904.52

Finding the Fourth Proportional to 25,434.72, 38,151.96 and 7,904.52

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Solution

The fourth proportional to 25,434.72, 38,151.96 and 7,904.52 is: 11,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.72 : 38,151.96 = 7,904.52 : x
  2. Step 2: Convert to fraction form
    25,434.72/38,151.96 = 7,904.52/x
  3. Step 3: Cross multiply
    25,434.72x = 38,151.96 × 7,904.52
  4. Step 4: Simplify right side
    25,434.72x = 301,572,930.86
  5. Step 5: Solve for x
    x = 301,572,930.86/25,434.72
  6. Step 6: Final answer
    x = 11,856.74

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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.