Home / 27,718.31-38,251.26-14,971.49

Finding the Fourth Proportional to 27,718.31, 38,251.26 and 14,971.49

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Solution

The fourth proportional to 27,718.31, 38,251.26 and 14,971.49 is: 20,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.31 : 38,251.26 = 14,971.49 : x
  2. Step 2: Convert to fraction form
    27,718.31/38,251.26 = 14,971.49/x
  3. Step 3: Cross multiply
    27,718.31x = 38,251.26 × 14,971.49
  4. Step 4: Simplify right side
    27,718.31x = 572,678,281.72
  5. Step 5: Solve for x
    x = 572,678,281.72/27,718.31
  6. Step 6: Final answer
    x = 20,660.65

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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.