Home / 18,016.08-27,023.54-8,155.35

Finding the Fourth Proportional to 18,016.08, 27,023.54 and 8,155.35

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Solution

The fourth proportional to 18,016.08, 27,023.54 and 8,155.35 is: 12,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.08 : 27,023.54 = 8,155.35 : x
  2. Step 2: Convert to fraction form
    18,016.08/27,023.54 = 8,155.35/x
  3. Step 3: Cross multiply
    18,016.08x = 27,023.54 × 8,155.35
  4. Step 4: Simplify right side
    18,016.08x = 220,386,386.16
  5. Step 5: Solve for x
    x = 220,386,386.16/18,016.08
  6. Step 6: Final answer
    x = 12,232.76

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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.