Home / 13,550.16-20,356.40-9,611.17

Finding the Fourth Proportional to 13,550.16, 20,356.40 and 9,611.17

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Solution

The fourth proportional to 13,550.16, 20,356.40 and 9,611.17 is: 14,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.16 : 20,356.40 = 9,611.17 : x
  2. Step 2: Convert to fraction form
    13,550.16/20,356.40 = 9,611.17/x
  3. Step 3: Cross multiply
    13,550.16x = 20,356.40 × 9,611.17
  4. Step 4: Simplify right side
    13,550.16x = 195,648,722.04
  5. Step 5: Solve for x
    x = 195,648,722.04/13,550.16
  6. Step 6: Final answer
    x = 14,438.85

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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.