Home / 16,120.32-22,244.52-9,045.36

Finding the Fourth Proportional to 16,120.32, 22,244.52 and 9,045.36

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Solution

The fourth proportional to 16,120.32, 22,244.52 and 9,045.36 is: 12,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.32 : 22,244.52 = 9,045.36 : x
  2. Step 2: Convert to fraction form
    16,120.32/22,244.52 = 9,045.36/x
  3. Step 3: Cross multiply
    16,120.32x = 22,244.52 × 9,045.36
  4. Step 4: Simplify right side
    16,120.32x = 201,209,691.43
  5. Step 5: Solve for x
    x = 201,209,691.43/16,120.32
  6. Step 6: Final answer
    x = 12,481.74

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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.