Home / 22,198.64-30,642.77-15,025.05

Finding the Fourth Proportional to 22,198.64, 30,642.77 and 15,025.05

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Solution

The fourth proportional to 22,198.64, 30,642.77 and 15,025.05 is: 20,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.64 : 30,642.77 = 15,025.05 : x
  2. Step 2: Convert to fraction form
    22,198.64/30,642.77 = 15,025.05/x
  3. Step 3: Cross multiply
    22,198.64x = 30,642.77 × 15,025.05
  4. Step 4: Simplify right side
    22,198.64x = 460,409,188.95
  5. Step 5: Solve for x
    x = 460,409,188.95/22,198.64
  6. Step 6: Final answer
    x = 20,740.43

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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.