Home / 18,584.40-25,635.24-12,298.80

Finding the Fourth Proportional to 18,584.40, 25,635.24 and 12,298.80

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Solution

The fourth proportional to 18,584.40, 25,635.24 and 12,298.80 is: 16,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.40 : 25,635.24 = 12,298.80 : x
  2. Step 2: Convert to fraction form
    18,584.40/25,635.24 = 12,298.80/x
  3. Step 3: Cross multiply
    18,584.40x = 25,635.24 × 12,298.80
  4. Step 4: Simplify right side
    18,584.40x = 315,282,689.71
  5. Step 5: Solve for x
    x = 315,282,689.71/18,584.40
  6. Step 6: Final answer
    x = 16,964.91

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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.