Home / 18,952.65-26,146.33-11,394.61

Finding the Fourth Proportional to 18,952.65, 26,146.33 and 11,394.61

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Solution

The fourth proportional to 18,952.65, 26,146.33 and 11,394.61 is: 15,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.65 : 26,146.33 = 11,394.61 : x
  2. Step 2: Convert to fraction form
    18,952.65/26,146.33 = 11,394.61/x
  3. Step 3: Cross multiply
    18,952.65x = 26,146.33 × 11,394.61
  4. Step 4: Simplify right side
    18,952.65x = 297,927,233.28
  5. Step 5: Solve for x
    x = 297,927,233.28/18,952.65
  6. Step 6: Final answer
    x = 15,719.56

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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.