Home / 19,718.68-27,211.26-10,765.72

Finding the Fourth Proportional to 19,718.68, 27,211.26 and 10,765.72

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Solution

The fourth proportional to 19,718.68, 27,211.26 and 10,765.72 is: 14,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.68 : 27,211.26 = 10,765.72 : x
  2. Step 2: Convert to fraction form
    19,718.68/27,211.26 = 10,765.72/x
  3. Step 3: Cross multiply
    19,718.68x = 27,211.26 × 10,765.72
  4. Step 4: Simplify right side
    19,718.68x = 292,948,806.01
  5. Step 5: Solve for x
    x = 292,948,806.01/19,718.68
  6. Step 6: Final answer
    x = 14,856.41

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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.