Home / 16,152.20-22,290.36-9,079.12

Finding the Fourth Proportional to 16,152.20, 22,290.36 and 9,079.12

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Solution

The fourth proportional to 16,152.20, 22,290.36 and 9,079.12 is: 12,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,152.20 : 22,290.36 = 9,079.12 : x
  2. Step 2: Convert to fraction form
    16,152.20/22,290.36 = 9,079.12/x
  3. Step 3: Cross multiply
    16,152.20x = 22,290.36 × 9,079.12
  4. Step 4: Simplify right side
    16,152.20x = 202,376,853.28
  5. Step 5: Solve for x
    x = 202,376,853.28/16,152.20
  6. Step 6: Final answer
    x = 12,529.37

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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.