Home / 16,040.70-23,891.91-15,321.12

Finding the Fourth Proportional to 16,040.70, 23,891.91 and 15,321.12

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Solution

The fourth proportional to 16,040.70, 23,891.91 and 15,321.12 is: 22,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.70 : 23,891.91 = 15,321.12 : x
  2. Step 2: Convert to fraction form
    16,040.70/23,891.91 = 15,321.12/x
  3. Step 3: Cross multiply
    16,040.70x = 23,891.91 × 15,321.12
  4. Step 4: Simplify right side
    16,040.70x = 366,050,820.14
  5. Step 5: Solve for x
    x = 366,050,820.14/16,040.70
  6. Step 6: Final answer
    x = 22,820.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.