Home / 19,531.70-26,957.94-12,734.22

Finding the Fourth Proportional to 19,531.70, 26,957.94 and 12,734.22

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Solution

The fourth proportional to 19,531.70, 26,957.94 and 12,734.22 is: 17,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.70 : 26,957.94 = 12,734.22 : x
  2. Step 2: Convert to fraction form
    19,531.70/26,957.94 = 12,734.22/x
  3. Step 3: Cross multiply
    19,531.70x = 26,957.94 × 12,734.22
  4. Step 4: Simplify right side
    19,531.70x = 343,288,338.71
  5. Step 5: Solve for x
    x = 343,288,338.71/19,531.70
  6. Step 6: Final answer
    x = 17,575.96

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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.