Home / 19,717.91-27,210.81-10,765.62

Finding the Fourth Proportional to 19,717.91, 27,210.81 and 10,765.62

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Solution

The fourth proportional to 19,717.91, 27,210.81 and 10,765.62 is: 14,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.91 : 27,210.81 = 10,765.62 : x
  2. Step 2: Convert to fraction form
    19,717.91/27,210.81 = 10,765.62/x
  3. Step 3: Cross multiply
    19,717.91x = 27,210.81 × 10,765.62
  4. Step 4: Simplify right side
    19,717.91x = 292,941,240.35
  5. Step 5: Solve for x
    x = 292,941,240.35/19,717.91
  6. Step 6: Final answer
    x = 14,856.61

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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.