Home / 16,310.14-22,531.28-12,756.27

Finding the Fourth Proportional to 16,310.14, 22,531.28 and 12,756.27

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Solution

The fourth proportional to 16,310.14, 22,531.28 and 12,756.27 is: 17,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.14 : 22,531.28 = 12,756.27 : x
  2. Step 2: Convert to fraction form
    16,310.14/22,531.28 = 12,756.27/x
  3. Step 3: Cross multiply
    16,310.14x = 22,531.28 × 12,756.27
  4. Step 4: Simplify right side
    16,310.14x = 287,415,091.13
  5. Step 5: Solve for x
    x = 287,415,091.13/16,310.14
  6. Step 6: Final answer
    x = 17,621.87

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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.