Home / 16,215.08-24,278.76-8,407.48

Finding the Fourth Proportional to 16,215.08, 24,278.76 and 8,407.48

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Solution

The fourth proportional to 16,215.08, 24,278.76 and 8,407.48 is: 12,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.08 : 24,278.76 = 8,407.48 : x
  2. Step 2: Convert to fraction form
    16,215.08/24,278.76 = 8,407.48/x
  3. Step 3: Cross multiply
    16,215.08x = 24,278.76 × 8,407.48
  4. Step 4: Simplify right side
    16,215.08x = 204,123,189.12
  5. Step 5: Solve for x
    x = 204,123,189.12/16,215.08
  6. Step 6: Final answer
    x = 12,588.48

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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.