Home / 22,071.17-30,458.80-12,000.29

Finding the Fourth Proportional to 22,071.17, 30,458.80 and 12,000.29

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Solution

The fourth proportional to 22,071.17, 30,458.80 and 12,000.29 is: 16,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.17 : 30,458.80 = 12,000.29 : x
  2. Step 2: Convert to fraction form
    22,071.17/30,458.80 = 12,000.29/x
  3. Step 3: Cross multiply
    22,071.17x = 30,458.80 × 12,000.29
  4. Step 4: Simplify right side
    22,071.17x = 365,514,433.05
  5. Step 5: Solve for x
    x = 365,514,433.05/22,071.17
  6. Step 6: Final answer
    x = 16,560.72

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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.