Home / 16,138.77-22,271.33-9,425.44

Finding the Fourth Proportional to 16,138.77, 22,271.33 and 9,425.44

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Solution

The fourth proportional to 16,138.77, 22,271.33 and 9,425.44 is: 13,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.77 : 22,271.33 = 9,425.44 : x
  2. Step 2: Convert to fraction form
    16,138.77/22,271.33 = 9,425.44/x
  3. Step 3: Cross multiply
    16,138.77x = 22,271.33 × 9,425.44
  4. Step 4: Simplify right side
    16,138.77x = 209,917,046.89
  5. Step 5: Solve for x
    x = 209,917,046.89/16,138.77
  6. Step 6: Final answer
    x = 13,007.00

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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.