Home / 27,353.13-37,724.05-18,868.79

Finding the Fourth Proportional to 27,353.13, 37,724.05 and 18,868.79

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Solution

The fourth proportional to 27,353.13, 37,724.05 and 18,868.79 is: 26,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.13 : 37,724.05 = 18,868.79 : x
  2. Step 2: Convert to fraction form
    27,353.13/37,724.05 = 18,868.79/x
  3. Step 3: Cross multiply
    27,353.13x = 37,724.05 × 18,868.79
  4. Step 4: Simplify right side
    27,353.13x = 711,807,153.83
  5. Step 5: Solve for x
    x = 711,807,153.83/27,353.13
  6. Step 6: Final answer
    x = 26,022.87

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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.