Home / 22,841.35-31,521.19-12,770.22

Finding the Fourth Proportional to 22,841.35, 31,521.19 and 12,770.22

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Solution

The fourth proportional to 22,841.35, 31,521.19 and 12,770.22 is: 17,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.35 : 31,521.19 = 12,770.22 : x
  2. Step 2: Convert to fraction form
    22,841.35/31,521.19 = 12,770.22/x
  3. Step 3: Cross multiply
    22,841.35x = 31,521.19 × 12,770.22
  4. Step 4: Simplify right side
    22,841.35x = 402,532,530.96
  5. Step 5: Solve for x
    x = 402,532,530.96/22,841.35
  6. Step 6: Final answer
    x = 17,622.97

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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.