Home / 22,471.57-31,010.40-12,262.51

Finding the Fourth Proportional to 22,471.57, 31,010.40 and 12,262.51

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Solution

The fourth proportional to 22,471.57, 31,010.40 and 12,262.51 is: 16,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471.57 : 31,010.40 = 12,262.51 : x
  2. Step 2: Convert to fraction form
    22,471.57/31,010.40 = 12,262.51/x
  3. Step 3: Cross multiply
    22,471.57x = 31,010.40 × 12,262.51
  4. Step 4: Simplify right side
    22,471.57x = 380,265,340.10
  5. Step 5: Solve for x
    x = 380,265,340.10/22,471.57
  6. Step 6: Final answer
    x = 16,922.06

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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.