Home / 22,795.66-31,460.38-12,727.56

Finding the Fourth Proportional to 22,795.66, 31,460.38 and 12,727.56

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Solution

The fourth proportional to 22,795.66, 31,460.38 and 12,727.56 is: 17,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.66 : 31,460.38 = 12,727.56 : x
  2. Step 2: Convert to fraction form
    22,795.66/31,460.38 = 12,727.56/x
  3. Step 3: Cross multiply
    22,795.66x = 31,460.38 × 12,727.56
  4. Step 4: Simplify right side
    22,795.66x = 400,414,031.82
  5. Step 5: Solve for x
    x = 400,414,031.82/22,795.66
  6. Step 6: Final answer
    x = 17,565.36

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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.