Home / 18,109.59-27,157.73-6,260.32

Finding the Fourth Proportional to 18,109.59, 27,157.73 and 6,260.32

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Solution

The fourth proportional to 18,109.59, 27,157.73 and 6,260.32 is: 9,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.59 : 27,157.73 = 6,260.32 : x
  2. Step 2: Convert to fraction form
    18,109.59/27,157.73 = 6,260.32/x
  3. Step 3: Cross multiply
    18,109.59x = 27,157.73 × 6,260.32
  4. Step 4: Simplify right side
    18,109.59x = 170,016,082.92
  5. Step 5: Solve for x
    x = 170,016,082.92/18,109.59
  6. Step 6: Final answer
    x = 9,388.18

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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.