Home / 23,478.70-32,401.41-12,868.24

Finding the Fourth Proportional to 23,478.70, 32,401.41 and 12,868.24

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Solution

The fourth proportional to 23,478.70, 32,401.41 and 12,868.24 is: 17,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.70 : 32,401.41 = 12,868.24 : x
  2. Step 2: Convert to fraction form
    23,478.70/32,401.41 = 12,868.24/x
  3. Step 3: Cross multiply
    23,478.70x = 32,401.41 × 12,868.24
  4. Step 4: Simplify right side
    23,478.70x = 416,948,958.21
  5. Step 5: Solve for x
    x = 416,948,958.21/23,478.70
  6. Step 6: Final answer
    x = 17,758.61

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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.