Home / 13,625.28-20,445.80-5,727.17

Finding the Fourth Proportional to 13,625.28, 20,445.80 and 5,727.17

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Solution

The fourth proportional to 13,625.28, 20,445.80 and 5,727.17 is: 8,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.28 : 20,445.80 = 5,727.17 : x
  2. Step 2: Convert to fraction form
    13,625.28/20,445.80 = 5,727.17/x
  3. Step 3: Cross multiply
    13,625.28x = 20,445.80 × 5,727.17
  4. Step 4: Simplify right side
    13,625.28x = 117,096,441.52
  5. Step 5: Solve for x
    x = 117,096,441.52/13,625.28
  6. Step 6: Final answer
    x = 8,594.06

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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.