Home / 16,966.80-25,378.20-15,224.40

Finding the Fourth Proportional to 16,966.80, 25,378.20 and 15,224.40

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Solution

The fourth proportional to 16,966.80, 25,378.20 and 15,224.40 is: 22,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.80 : 25,378.20 = 15,224.40 : x
  2. Step 2: Convert to fraction form
    16,966.80/25,378.20 = 15,224.40/x
  3. Step 3: Cross multiply
    16,966.80x = 25,378.20 × 15,224.40
  4. Step 4: Simplify right side
    16,966.80x = 386,367,868.08
  5. Step 5: Solve for x
    x = 386,367,868.08/16,966.80
  6. Step 6: Final answer
    x = 22,771.99

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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.