Home / 22,042.08-30,418.20-12,482.46

Finding the Fourth Proportional to 22,042.08, 30,418.20 and 12,482.46

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Solution

The fourth proportional to 22,042.08, 30,418.20 and 12,482.46 is: 17,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.08 : 30,418.20 = 12,482.46 : x
  2. Step 2: Convert to fraction form
    22,042.08/30,418.20 = 12,482.46/x
  3. Step 3: Cross multiply
    22,042.08x = 30,418.20 × 12,482.46
  4. Step 4: Simplify right side
    22,042.08x = 379,693,964.77
  5. Step 5: Solve for x
    x = 379,693,964.77/22,042.08
  6. Step 6: Final answer
    x = 17,225.87

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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.