Home / 22,274.92-30,748.10-15,205.24

Finding the Fourth Proportional to 22,274.92, 30,748.10 and 15,205.24

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Solution

The fourth proportional to 22,274.92, 30,748.10 and 15,205.24 is: 20,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.92 : 30,748.10 = 15,205.24 : x
  2. Step 2: Convert to fraction form
    22,274.92/30,748.10 = 15,205.24/x
  3. Step 3: Cross multiply
    22,274.92x = 30,748.10 × 15,205.24
  4. Step 4: Simplify right side
    22,274.92x = 467,532,240.04
  5. Step 5: Solve for x
    x = 467,532,240.04/22,274.92
  6. Step 6: Final answer
    x = 20,989.18

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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.