Home / 22,345.11-30,836.51-12,273.79

Finding the Fourth Proportional to 22,345.11, 30,836.51 and 12,273.79

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Solution

The fourth proportional to 22,345.11, 30,836.51 and 12,273.79 is: 16,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.11 : 30,836.51 = 12,273.79 : x
  2. Step 2: Convert to fraction form
    22,345.11/30,836.51 = 12,273.79/x
  3. Step 3: Cross multiply
    22,345.11x = 30,836.51 × 12,273.79
  4. Step 4: Simplify right side
    22,345.11x = 378,480,848.07
  5. Step 5: Solve for x
    x = 378,480,848.07/22,345.11
  6. Step 6: Final answer
    x = 16,937.97

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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.