Home / 18,388.88-25,376.08-10,833.52

Finding the Fourth Proportional to 18,388.88, 25,376.08 and 10,833.52

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Solution

The fourth proportional to 18,388.88, 25,376.08 and 10,833.52 is: 14,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.88 : 25,376.08 = 10,833.52 : x
  2. Step 2: Convert to fraction form
    18,388.88/25,376.08 = 10,833.52/x
  3. Step 3: Cross multiply
    18,388.88x = 25,376.08 × 10,833.52
  4. Step 4: Simplify right side
    18,388.88x = 274,912,270.20
  5. Step 5: Solve for x
    x = 274,912,270.20/18,388.88
  6. Step 6: Final answer
    x = 14,949.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.