Home / 18,498.66-25,528.23-10,115.34

Finding the Fourth Proportional to 18,498.66, 25,528.23 and 10,115.34

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Solution

The fourth proportional to 18,498.66, 25,528.23 and 10,115.34 is: 13,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.66 : 25,528.23 = 10,115.34 : x
  2. Step 2: Convert to fraction form
    18,498.66/25,528.23 = 10,115.34/x
  3. Step 3: Cross multiply
    18,498.66x = 25,528.23 × 10,115.34
  4. Step 4: Simplify right side
    18,498.66x = 258,226,726.05
  5. Step 5: Solve for x
    x = 258,226,726.05/18,498.66
  6. Step 6: Final answer
    x = 13,959.21

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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.