Home / 15,263.12-22,892.85-4,170.78

Finding the Fourth Proportional to 15,263.12, 22,892.85 and 4,170.78

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Solution

The fourth proportional to 15,263.12, 22,892.85 and 4,170.78 is: 6,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.12 : 22,892.85 = 4,170.78 : x
  2. Step 2: Convert to fraction form
    15,263.12/22,892.85 = 4,170.78/x
  3. Step 3: Cross multiply
    15,263.12x = 22,892.85 × 4,170.78
  4. Step 4: Simplify right side
    15,263.12x = 95,481,040.92
  5. Step 5: Solve for x
    x = 95,481,040.92/15,263.12
  6. Step 6: Final answer
    x = 6,255.67

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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.