Home / 18,240.08-25,171.28-9,856.56

Finding the Fourth Proportional to 18,240.08, 25,171.28 and 9,856.56

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Solution

The fourth proportional to 18,240.08, 25,171.28 and 9,856.56 is: 13,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.08 : 25,171.28 = 9,856.56 : x
  2. Step 2: Convert to fraction form
    18,240.08/25,171.28 = 9,856.56/x
  3. Step 3: Cross multiply
    18,240.08x = 25,171.28 × 9,856.56
  4. Step 4: Simplify right side
    18,240.08x = 248,102,231.60
  5. Step 5: Solve for x
    x = 248,102,231.60/18,240.08
  6. Step 6: Final answer
    x = 13,602.04

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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.