Home / 15,475.79-23,217.62-7,161.80

Finding the Fourth Proportional to 15,475.79, 23,217.62 and 7,161.80

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Solution

The fourth proportional to 15,475.79, 23,217.62 and 7,161.80 is: 10,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.79 : 23,217.62 = 7,161.80 : x
  2. Step 2: Convert to fraction form
    15,475.79/23,217.62 = 7,161.80/x
  3. Step 3: Cross multiply
    15,475.79x = 23,217.62 × 7,161.80
  4. Step 4: Simplify right side
    15,475.79x = 166,279,799.02
  5. Step 5: Solve for x
    x = 166,279,799.02/15,475.79
  6. Step 6: Final answer
    x = 10,744.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.