Home / 27,454.52-37,889.16-15,518.96

Finding the Fourth Proportional to 27,454.52, 37,889.16 and 15,518.96

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Solution

The fourth proportional to 27,454.52, 37,889.16 and 15,518.96 is: 21,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454.52 : 37,889.16 = 15,518.96 : x
  2. Step 2: Convert to fraction form
    27,454.52/37,889.16 = 15,518.96/x
  3. Step 3: Cross multiply
    27,454.52x = 37,889.16 × 15,518.96
  4. Step 4: Simplify right side
    27,454.52x = 588,000,358.47
  5. Step 5: Solve for x
    x = 588,000,358.47/27,454.52
  6. Step 6: Final answer
    x = 21,417.25

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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.