Home / 19,718.22-27,210.94-10,765.70

Finding the Fourth Proportional to 19,718.22, 27,210.94 and 10,765.70

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Solution

The fourth proportional to 19,718.22, 27,210.94 and 10,765.70 is: 14,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.22 : 27,210.94 = 10,765.70 : x
  2. Step 2: Convert to fraction form
    19,718.22/27,210.94 = 10,765.70/x
  3. Step 3: Cross multiply
    19,718.22x = 27,210.94 × 10,765.70
  4. Step 4: Simplify right side
    19,718.22x = 292,944,653.79
  5. Step 5: Solve for x
    x = 292,944,653.79/19,718.22
  6. Step 6: Final answer
    x = 14,856.55

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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.