Home / 19,716.34-27,208.56-10,763.68

Finding the Fourth Proportional to 19,716.34, 27,208.56 and 10,763.68

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Solution

The fourth proportional to 19,716.34, 27,208.56 and 10,763.68 is: 14,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.34 : 27,208.56 = 10,763.68 : x
  2. Step 2: Convert to fraction form
    19,716.34/27,208.56 = 10,763.68/x
  3. Step 3: Cross multiply
    19,716.34x = 27,208.56 × 10,763.68
  4. Step 4: Simplify right side
    19,716.34x = 292,864,233.10
  5. Step 5: Solve for x
    x = 292,864,233.10/19,716.34
  6. Step 6: Final answer
    x = 14,853.88

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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.