Home / 15,575.85-23,360.13-5,709.78

Finding the Fourth Proportional to 15,575.85, 23,360.13 and 5,709.78

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Solution

The fourth proportional to 15,575.85, 23,360.13 and 5,709.78 is: 8,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.85 : 23,360.13 = 5,709.78 : x
  2. Step 2: Convert to fraction form
    15,575.85/23,360.13 = 5,709.78/x
  3. Step 3: Cross multiply
    15,575.85x = 23,360.13 × 5,709.78
  4. Step 4: Simplify right side
    15,575.85x = 133,381,203.07
  5. Step 5: Solve for x
    x = 133,381,203.07/15,575.85
  6. Step 6: Final answer
    x = 8,563.33

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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.