Home / 22,144.68-30,555.90-12,713.04

Finding the Fourth Proportional to 22,144.68, 30,555.90 and 12,713.04

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Solution

The fourth proportional to 22,144.68, 30,555.90 and 12,713.04 is: 17,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.68 : 30,555.90 = 12,713.04 : x
  2. Step 2: Convert to fraction form
    22,144.68/30,555.90 = 12,713.04/x
  3. Step 3: Cross multiply
    22,144.68x = 30,555.90 × 12,713.04
  4. Step 4: Simplify right side
    22,144.68x = 388,458,378.94
  5. Step 5: Solve for x
    x = 388,458,378.94/22,144.68
  6. Step 6: Final answer
    x = 17,541.84

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Half scale
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Double scale
Find fourth proportional to 22,145.68, 30,557.28 and 12,714.04
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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.