Home / 20,451.42-30,652.02-10,585.08

Finding the Fourth Proportional to 20,451.42, 30,652.02 and 10,585.08

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Solution

The fourth proportional to 20,451.42, 30,652.02 and 10,585.08 is: 15,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.42 : 30,652.02 = 10,585.08 : x
  2. Step 2: Convert to fraction form
    20,451.42/30,652.02 = 10,585.08/x
  3. Step 3: Cross multiply
    20,451.42x = 30,652.02 × 10,585.08
  4. Step 4: Simplify right side
    20,451.42x = 324,454,083.86
  5. Step 5: Solve for x
    x = 324,454,083.86/20,451.42
  6. Step 6: Final answer
    x = 15,864.62

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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.