Home / 19,716.68-27,209.12-10,764.23

Finding the Fourth Proportional to 19,716.68, 27,209.12 and 10,764.23

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Solution

The fourth proportional to 19,716.68, 27,209.12 and 10,764.23 is: 14,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.68 : 27,209.12 = 10,764.23 : x
  2. Step 2: Convert to fraction form
    19,716.68/27,209.12 = 10,764.23/x
  3. Step 3: Cross multiply
    19,716.68x = 27,209.12 × 10,764.23
  4. Step 4: Simplify right side
    19,716.68x = 292,885,035.91
  5. Step 5: Solve for x
    x = 292,885,035.91/19,716.68
  6. Step 6: Final answer
    x = 14,854.68

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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.