Home / 18,540.18-25,585.16-10,582.20

Finding the Fourth Proportional to 18,540.18, 25,585.16 and 10,582.20

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Solution

The fourth proportional to 18,540.18, 25,585.16 and 10,582.20 is: 14,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.18 : 25,585.16 = 10,582.20 : x
  2. Step 2: Convert to fraction form
    18,540.18/25,585.16 = 10,582.20/x
  3. Step 3: Cross multiply
    18,540.18x = 25,585.16 × 10,582.20
  4. Step 4: Simplify right side
    18,540.18x = 270,747,280.15
  5. Step 5: Solve for x
    x = 270,747,280.15/18,540.18
  6. Step 6: Final answer
    x = 14,603.27

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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.