Home / 17,902.22-26,844.10-12,288.47

Finding the Fourth Proportional to 17,902.22, 26,844.10 and 12,288.47

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Solution

The fourth proportional to 17,902.22, 26,844.10 and 12,288.47 is: 18,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.22 : 26,844.10 = 12,288.47 : x
  2. Step 2: Convert to fraction form
    17,902.22/26,844.10 = 12,288.47/x
  3. Step 3: Cross multiply
    17,902.22x = 26,844.10 × 12,288.47
  4. Step 4: Simplify right side
    17,902.22x = 329,872,752.59
  5. Step 5: Solve for x
    x = 329,872,752.59/17,902.22
  6. Step 6: Final answer
    x = 18,426.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.