Home / 16,171.71-22,311.61-13,182.40

Finding the Fourth Proportional to 16,171.71, 22,311.61 and 13,182.40

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Solution

The fourth proportional to 16,171.71, 22,311.61 and 13,182.40 is: 18,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171.71 : 22,311.61 = 13,182.40 : x
  2. Step 2: Convert to fraction form
    16,171.71/22,311.61 = 13,182.40/x
  3. Step 3: Cross multiply
    16,171.71x = 22,311.61 × 13,182.40
  4. Step 4: Simplify right side
    16,171.71x = 294,120,567.66
  5. Step 5: Solve for x
    x = 294,120,567.66/16,171.71
  6. Step 6: Final answer
    x = 18,187.35

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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.