Home / 19,722.98-27,217.49-10,770.86

Finding the Fourth Proportional to 19,722.98, 27,217.49 and 10,770.86

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Solution

The fourth proportional to 19,722.98, 27,217.49 and 10,770.86 is: 14,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.98 : 27,217.49 = 10,770.86 : x
  2. Step 2: Convert to fraction form
    19,722.98/27,217.49 = 10,770.86/x
  3. Step 3: Cross multiply
    19,722.98x = 27,217.49 × 10,770.86
  4. Step 4: Simplify right side
    19,722.98x = 293,155,584.40
  5. Step 5: Solve for x
    x = 293,155,584.40/19,722.98
  6. Step 6: Final answer
    x = 14,863.66

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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.