Home / 16,921.83-25,398.14-9,031.04

Finding the Fourth Proportional to 16,921.83, 25,398.14 and 9,031.04

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Solution

The fourth proportional to 16,921.83, 25,398.14 and 9,031.04 is: 13,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.83 : 25,398.14 = 9,031.04 : x
  2. Step 2: Convert to fraction form
    16,921.83/25,398.14 = 9,031.04/x
  3. Step 3: Cross multiply
    16,921.83x = 25,398.14 × 9,031.04
  4. Step 4: Simplify right side
    16,921.83x = 229,371,446.12
  5. Step 5: Solve for x
    x = 229,371,446.12/16,921.83
  6. Step 6: Final answer
    x = 13,554.77

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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.