Home / 16,884.80-25,327.20-15,718.40

Finding the Fourth Proportional to 16,884.80, 25,327.20 and 15,718.40

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Solution

The fourth proportional to 16,884.80, 25,327.20 and 15,718.40 is: 23,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.80 : 25,327.20 = 15,718.40 : x
  2. Step 2: Convert to fraction form
    16,884.80/25,327.20 = 15,718.40/x
  3. Step 3: Cross multiply
    16,884.80x = 25,327.20 × 15,718.40
  4. Step 4: Simplify right side
    16,884.80x = 398,103,060.48
  5. Step 5: Solve for x
    x = 398,103,060.48/16,884.80
  6. Step 6: Final answer
    x = 23,577.60

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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.