Home / 22,397.12-30,891.20-14,830.08

Finding the Fourth Proportional to 22,397.12, 30,891.20 and 14,830.08

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Solution

The fourth proportional to 22,397.12, 30,891.20 and 14,830.08 is: 20,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397.12 : 30,891.20 = 14,830.08 : x
  2. Step 2: Convert to fraction form
    22,397.12/30,891.20 = 14,830.08/x
  3. Step 3: Cross multiply
    22,397.12x = 30,891.20 × 14,830.08
  4. Step 4: Simplify right side
    22,397.12x = 458,118,967.30
  5. Step 5: Solve for x
    x = 458,118,967.30/22,397.12
  6. Step 6: Final answer
    x = 20,454.37

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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.