Home / 15,535.84-23,305.25-5,672.78

Finding the Fourth Proportional to 15,535.84, 23,305.25 and 5,672.78

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Solution

The fourth proportional to 15,535.84, 23,305.25 and 5,672.78 is: 8,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.84 : 23,305.25 = 5,672.78 : x
  2. Step 2: Convert to fraction form
    15,535.84/23,305.25 = 5,672.78/x
  3. Step 3: Cross multiply
    15,535.84x = 23,305.25 × 5,672.78
  4. Step 4: Simplify right side
    15,535.84x = 132,205,556.10
  5. Step 5: Solve for x
    x = 132,205,556.10/15,535.84
  6. Step 6: Final answer
    x = 8,509.71

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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.