Home / 19,718.35-27,211.11-10,765.82

Finding the Fourth Proportional to 19,718.35, 27,211.11 and 10,765.82

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Solution

The fourth proportional to 19,718.35, 27,211.11 and 10,765.82 is: 14,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.35 : 27,211.11 = 10,765.82 : x
  2. Step 2: Convert to fraction form
    19,718.35/27,211.11 = 10,765.82/x
  3. Step 3: Cross multiply
    19,718.35x = 27,211.11 × 10,765.82
  4. Step 4: Simplify right side
    19,718.35x = 292,949,912.26
  5. Step 5: Solve for x
    x = 292,949,912.26/19,718.35
  6. Step 6: Final answer
    x = 14,856.72

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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.