Home / 18,589.48-25,652.92-10,091.20

Finding the Fourth Proportional to 18,589.48, 25,652.92 and 10,091.20

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Solution

The fourth proportional to 18,589.48, 25,652.92 and 10,091.20 is: 13,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.48 : 25,652.92 = 10,091.20 : x
  2. Step 2: Convert to fraction form
    18,589.48/25,652.92 = 10,091.20/x
  3. Step 3: Cross multiply
    18,589.48x = 25,652.92 × 10,091.20
  4. Step 4: Simplify right side
    18,589.48x = 258,868,746.30
  5. Step 5: Solve for x
    x = 258,868,746.30/18,589.48
  6. Step 6: Final answer
    x = 13,925.55

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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.