Home / 22,720.32-34,031.24-11,009.04

Finding the Fourth Proportional to 22,720.32, 34,031.24 and 11,009.04

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Solution

The fourth proportional to 22,720.32, 34,031.24 and 11,009.04 is: 16,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.32 : 34,031.24 = 11,009.04 : x
  2. Step 2: Convert to fraction form
    22,720.32/34,031.24 = 11,009.04/x
  3. Step 3: Cross multiply
    22,720.32x = 34,031.24 × 11,009.04
  4. Step 4: Simplify right side
    22,720.32x = 374,651,282.41
  5. Step 5: Solve for x
    x = 374,651,282.41/22,720.32
  6. Step 6: Final answer
    x = 16,489.70

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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.