Home / 15,770.24-23,660.78-7,011.28

Finding the Fourth Proportional to 15,770.24, 23,660.78 and 7,011.28

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Solution

The fourth proportional to 15,770.24, 23,660.78 and 7,011.28 is: 10,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.24 : 23,660.78 = 7,011.28 : x
  2. Step 2: Convert to fraction form
    15,770.24/23,660.78 = 7,011.28/x
  3. Step 3: Cross multiply
    15,770.24x = 23,660.78 × 7,011.28
  4. Step 4: Simplify right side
    15,770.24x = 165,892,353.60
  5. Step 5: Solve for x
    x = 165,892,353.60/15,770.24
  6. Step 6: Final answer
    x = 10,519.33

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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.