Home / 18,565.20-25,620.04-10,181.84

Finding the Fourth Proportional to 18,565.20, 25,620.04 and 10,181.84

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Solution

The fourth proportional to 18,565.20, 25,620.04 and 10,181.84 is: 14,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.20 : 25,620.04 = 10,181.84 : x
  2. Step 2: Convert to fraction form
    18,565.20/25,620.04 = 10,181.84/x
  3. Step 3: Cross multiply
    18,565.20x = 25,620.04 × 10,181.84
  4. Step 4: Simplify right side
    18,565.20x = 260,859,148.07
  5. Step 5: Solve for x
    x = 260,859,148.07/18,565.20
  6. Step 6: Final answer
    x = 14,050.97

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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.