Home / 16,012.32-22,107.60-10,432.80

Finding the Fourth Proportional to 16,012.32, 22,107.60 and 10,432.80

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Solution

The fourth proportional to 16,012.32, 22,107.60 and 10,432.80 is: 14,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.32 : 22,107.60 = 10,432.80 : x
  2. Step 2: Convert to fraction form
    16,012.32/22,107.60 = 10,432.80/x
  3. Step 3: Cross multiply
    16,012.32x = 22,107.60 × 10,432.80
  4. Step 4: Simplify right side
    16,012.32x = 230,644,169.28
  5. Step 5: Solve for x
    x = 230,644,169.28/16,012.32
  6. Step 6: Final answer
    x = 14,404.17

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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.