Home / 15,191.85-22,797.76-5,330.86

Finding the Fourth Proportional to 15,191.85, 22,797.76 and 5,330.86

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Solution

The fourth proportional to 15,191.85, 22,797.76 and 5,330.86 is: 7,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.85 : 22,797.76 = 5,330.86 : x
  2. Step 2: Convert to fraction form
    15,191.85/22,797.76 = 5,330.86/x
  3. Step 3: Cross multiply
    15,191.85x = 22,797.76 × 5,330.86
  4. Step 4: Simplify right side
    15,191.85x = 121,531,749.78
  5. Step 5: Solve for x
    x = 121,531,749.78/15,191.85
  6. Step 6: Final answer
    x = 7,999.80

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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.