Home / 18,215.52-25,134.24-10,258.08

Finding the Fourth Proportional to 18,215.52, 25,134.24 and 10,258.08

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Solution

The fourth proportional to 18,215.52, 25,134.24 and 10,258.08 is: 14,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.52 : 25,134.24 = 10,258.08 : x
  2. Step 2: Convert to fraction form
    18,215.52/25,134.24 = 10,258.08/x
  3. Step 3: Cross multiply
    18,215.52x = 25,134.24 × 10,258.08
  4. Step 4: Simplify right side
    18,215.52x = 257,829,044.66
  5. Step 5: Solve for x
    x = 257,829,044.66/18,215.52
  6. Step 6: Final answer
    x = 14,154.36

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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.