Home / 22,186.72-33,085.28-18,843.04

Finding the Fourth Proportional to 22,186.72, 33,085.28 and 18,843.04

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Solution

The fourth proportional to 22,186.72, 33,085.28 and 18,843.04 is: 28,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.72 : 33,085.28 = 18,843.04 : x
  2. Step 2: Convert to fraction form
    22,186.72/33,085.28 = 18,843.04/x
  3. Step 3: Cross multiply
    22,186.72x = 33,085.28 × 18,843.04
  4. Step 4: Simplify right side
    22,186.72x = 623,427,254.45
  5. Step 5: Solve for x
    x = 623,427,254.45/22,186.72
  6. Step 6: Final answer
    x = 28,099.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.