Home / 23,151.74-31,949.49-13,080.29

Finding the Fourth Proportional to 23,151.74, 31,949.49 and 13,080.29

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Solution

The fourth proportional to 23,151.74, 31,949.49 and 13,080.29 is: 18,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.74 : 31,949.49 = 13,080.29 : x
  2. Step 2: Convert to fraction form
    23,151.74/31,949.49 = 13,080.29/x
  3. Step 3: Cross multiply
    23,151.74x = 31,949.49 × 13,080.29
  4. Step 4: Simplify right side
    23,151.74x = 417,908,434.80
  5. Step 5: Solve for x
    x = 417,908,434.80/23,151.74
  6. Step 6: Final answer
    x = 18,050.85

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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.