Home / 21,184.04-29,235.30-12,233.18

Finding the Fourth Proportional to 21,184.04, 29,235.30 and 12,233.18

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Solution

The fourth proportional to 21,184.04, 29,235.30 and 12,233.18 is: 16,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.04 : 29,235.30 = 12,233.18 : x
  2. Step 2: Convert to fraction form
    21,184.04/29,235.30 = 12,233.18/x
  3. Step 3: Cross multiply
    21,184.04x = 29,235.30 × 12,233.18
  4. Step 4: Simplify right side
    21,184.04x = 357,640,687.25
  5. Step 5: Solve for x
    x = 357,640,687.25/21,184.04
  6. Step 6: Final answer
    x = 16,882.55

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Double scale
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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.