Home / 13,963.55-20,960.24-5,649.00

Finding the Fourth Proportional to 13,963.55, 20,960.24 and 5,649.00

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Solution

The fourth proportional to 13,963.55, 20,960.24 and 5,649.00 is: 8,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.55 : 20,960.24 = 5,649.00 : x
  2. Step 2: Convert to fraction form
    13,963.55/20,960.24 = 5,649.00/x
  3. Step 3: Cross multiply
    13,963.55x = 20,960.24 × 5,649.00
  4. Step 4: Simplify right side
    13,963.55x = 118,404,276.84
  5. Step 5: Solve for x
    x = 118,404,276.84/13,963.55
  6. Step 6: Final answer
    x = 8,479.53

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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.