Home / 16,876.70-25,320.18-11,955.86

Finding the Fourth Proportional to 16,876.70, 25,320.18 and 11,955.86

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Solution

The fourth proportional to 16,876.70, 25,320.18 and 11,955.86 is: 17,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.70 : 25,320.18 = 11,955.86 : x
  2. Step 2: Convert to fraction form
    16,876.70/25,320.18 = 11,955.86/x
  3. Step 3: Cross multiply
    16,876.70x = 25,320.18 × 11,955.86
  4. Step 4: Simplify right side
    16,876.70x = 302,724,527.25
  5. Step 5: Solve for x
    x = 302,724,527.25/16,876.70
  6. Step 6: Final answer
    x = 17,937.42

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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.