Home / 27,925.76-41,888.52-7,149.20

Finding the Fourth Proportional to 27,925.76, 41,888.52 and 7,149.20

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Solution

The fourth proportional to 27,925.76, 41,888.52 and 7,149.20 is: 10,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.76 : 41,888.52 = 7,149.20 : x
  2. Step 2: Convert to fraction form
    27,925.76/41,888.52 = 7,149.20/x
  3. Step 3: Cross multiply
    27,925.76x = 41,888.52 × 7,149.20
  4. Step 4: Simplify right side
    27,925.76x = 299,469,407.18
  5. Step 5: Solve for x
    x = 299,469,407.18/27,925.76
  6. Step 6: Final answer
    x = 10,723.77

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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.