Home / 24,378.88-33,642.72-13,200.80

Finding the Fourth Proportional to 24,378.88, 33,642.72 and 13,200.80

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Solution

The fourth proportional to 24,378.88, 33,642.72 and 13,200.80 is: 18,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.88 : 33,642.72 = 13,200.80 : x
  2. Step 2: Convert to fraction form
    24,378.88/33,642.72 = 13,200.80/x
  3. Step 3: Cross multiply
    24,378.88x = 33,642.72 × 13,200.80
  4. Step 4: Simplify right side
    24,378.88x = 444,110,818.18
  5. Step 5: Solve for x
    x = 444,110,818.18/24,378.88
  6. Step 6: Final answer
    x = 18,217.03

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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.