Home / 13,591.24-20,359.02-8,027.80

Finding the Fourth Proportional to 13,591.24, 20,359.02 and 8,027.80

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Solution

The fourth proportional to 13,591.24, 20,359.02 and 8,027.80 is: 12,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.24 : 20,359.02 = 8,027.80 : x
  2. Step 2: Convert to fraction form
    13,591.24/20,359.02 = 8,027.80/x
  3. Step 3: Cross multiply
    13,591.24x = 20,359.02 × 8,027.80
  4. Step 4: Simplify right side
    13,591.24x = 163,438,140.76
  5. Step 5: Solve for x
    x = 163,438,140.76/13,591.24
  6. Step 6: Final answer
    x = 12,025.26

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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.