Home / 15,849.60-23,778.16-5,461.12

Finding the Fourth Proportional to 15,849.60, 23,778.16 and 5,461.12

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Solution

The fourth proportional to 15,849.60, 23,778.16 and 5,461.12 is: 8,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.60 : 23,778.16 = 5,461.12 : x
  2. Step 2: Convert to fraction form
    15,849.60/23,778.16 = 5,461.12/x
  3. Step 3: Cross multiply
    15,849.60x = 23,778.16 × 5,461.12
  4. Step 4: Simplify right side
    15,849.60x = 129,855,385.14
  5. Step 5: Solve for x
    x = 129,855,385.14/15,849.60
  6. Step 6: Final answer
    x = 8,192.98

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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.