Home / 18,239.61-25,170.66-9,856.11

Finding the Fourth Proportional to 18,239.61, 25,170.66 and 9,856.11

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Solution

The fourth proportional to 18,239.61, 25,170.66 and 9,856.11 is: 13,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.61 : 25,170.66 = 9,856.11 : x
  2. Step 2: Convert to fraction form
    18,239.61/25,170.66 = 9,856.11/x
  3. Step 3: Cross multiply
    18,239.61x = 25,170.66 × 9,856.11
  4. Step 4: Simplify right side
    18,239.61x = 248,084,618.60
  5. Step 5: Solve for x
    x = 248,084,618.60/18,239.61
  6. Step 6: Final answer
    x = 13,601.42

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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.