Home / 27,702.06-38,227.32-15,126.54

Finding the Fourth Proportional to 27,702.06, 38,227.32 and 15,126.54

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Solution

The fourth proportional to 27,702.06, 38,227.32 and 15,126.54 is: 20,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702.06 : 38,227.32 = 15,126.54 : x
  2. Step 2: Convert to fraction form
    27,702.06/38,227.32 = 15,126.54/x
  3. Step 3: Cross multiply
    27,702.06x = 38,227.32 × 15,126.54
  4. Step 4: Simplify right side
    27,702.06x = 578,247,085.07
  5. Step 5: Solve for x
    x = 578,247,085.07/27,702.06
  6. Step 6: Final answer
    x = 20,873.79

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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.