Home / 16,375.84-22,559.28-13,531.36

Finding the Fourth Proportional to 16,375.84, 22,559.28 and 13,531.36

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Solution

The fourth proportional to 16,375.84, 22,559.28 and 13,531.36 is: 18,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.84 : 22,559.28 = 13,531.36 : x
  2. Step 2: Convert to fraction form
    16,375.84/22,559.28 = 13,531.36/x
  3. Step 3: Cross multiply
    16,375.84x = 22,559.28 × 13,531.36
  4. Step 4: Simplify right side
    16,375.84x = 305,257,739.02
  5. Step 5: Solve for x
    x = 305,257,739.02/16,375.84
  6. Step 6: Final answer
    x = 18,640.74

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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.