Home / 13,550.41-20,325.36-5,657.17

Finding the Fourth Proportional to 13,550.41, 20,325.36 and 5,657.17

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Solution

The fourth proportional to 13,550.41, 20,325.36 and 5,657.17 is: 8,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.41 : 20,325.36 = 5,657.17 : x
  2. Step 2: Convert to fraction form
    13,550.41/20,325.36 = 5,657.17/x
  3. Step 3: Cross multiply
    13,550.41x = 20,325.36 × 5,657.17
  4. Step 4: Simplify right side
    13,550.41x = 114,983,915.20
  5. Step 5: Solve for x
    x = 114,983,915.20/13,550.41
  6. Step 6: Final answer
    x = 8,485.64

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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.