Home / 15,882.11-21,867.15-12,093.13

Finding the Fourth Proportional to 15,882.11, 21,867.15 and 12,093.13

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Solution

The fourth proportional to 15,882.11, 21,867.15 and 12,093.13 is: 16,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.11 : 21,867.15 = 12,093.13 : x
  2. Step 2: Convert to fraction form
    15,882.11/21,867.15 = 12,093.13/x
  3. Step 3: Cross multiply
    15,882.11x = 21,867.15 × 12,093.13
  4. Step 4: Simplify right side
    15,882.11x = 264,442,117.88
  5. Step 5: Solve for x
    x = 264,442,117.88/15,882.11
  6. Step 6: Final answer
    x = 16,650.32

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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.