Home / 19,179.18-28,781.14-8,085.93

Finding the Fourth Proportional to 19,179.18, 28,781.14 and 8,085.93

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Solution

The fourth proportional to 19,179.18, 28,781.14 and 8,085.93 is: 12,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.18 : 28,781.14 = 8,085.93 : x
  2. Step 2: Convert to fraction form
    19,179.18/28,781.14 = 8,085.93/x
  3. Step 3: Cross multiply
    19,179.18x = 28,781.14 × 8,085.93
  4. Step 4: Simplify right side
    19,179.18x = 232,722,170.38
  5. Step 5: Solve for x
    x = 232,722,170.38/19,179.18
  6. Step 6: Final answer
    x = 12,134.10

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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.