Home / 22,000.08-30,319.45-15,626.91

Finding the Fourth Proportional to 22,000.08, 30,319.45 and 15,626.91

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Solution

The fourth proportional to 22,000.08, 30,319.45 and 15,626.91 is: 21,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.08 : 30,319.45 = 15,626.91 : x
  2. Step 2: Convert to fraction form
    22,000.08/30,319.45 = 15,626.91/x
  3. Step 3: Cross multiply
    22,000.08x = 30,319.45 × 15,626.91
  4. Step 4: Simplify right side
    22,000.08x = 473,799,414.32
  5. Step 5: Solve for x
    x = 473,799,414.32/22,000.08
  6. Step 6: Final answer
    x = 21,536.26

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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.