Home / 19,716.43-27,208.75-10,764.13

Finding the Fourth Proportional to 19,716.43, 27,208.75 and 10,764.13

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Solution

The fourth proportional to 19,716.43, 27,208.75 and 10,764.13 is: 14,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.43 : 27,208.75 = 10,764.13 : x
  2. Step 2: Convert to fraction form
    19,716.43/27,208.75 = 10,764.13/x
  3. Step 3: Cross multiply
    19,716.43x = 27,208.75 × 10,764.13
  4. Step 4: Simplify right side
    19,716.43x = 292,878,522.14
  5. Step 5: Solve for x
    x = 292,878,522.14/19,716.43
  6. Step 6: Final answer
    x = 14,854.54

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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.