Home / 13,524.30-20,282.81-9,168.53

Finding the Fourth Proportional to 13,524.30, 20,282.81 and 9,168.53

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Solution

The fourth proportional to 13,524.30, 20,282.81 and 9,168.53 is: 13,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.30 : 20,282.81 = 9,168.53 : x
  2. Step 2: Convert to fraction form
    13,524.30/20,282.81 = 9,168.53/x
  3. Step 3: Cross multiply
    13,524.30x = 20,282.81 × 9,168.53
  4. Step 4: Simplify right side
    13,524.30x = 185,963,404.71
  5. Step 5: Solve for x
    x = 185,963,404.71/13,524.30
  6. Step 6: Final answer
    x = 13,750.32

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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.