Home / 19,716.48-27,209.34-10,764.36

Finding the Fourth Proportional to 19,716.48, 27,209.34 and 10,764.36

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Solution

The fourth proportional to 19,716.48, 27,209.34 and 10,764.36 is: 14,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.48 : 27,209.34 = 10,764.36 : x
  2. Step 2: Convert to fraction form
    19,716.48/27,209.34 = 10,764.36/x
  3. Step 3: Cross multiply
    19,716.48x = 27,209.34 × 10,764.36
  4. Step 4: Simplify right side
    19,716.48x = 292,891,131.12
  5. Step 5: Solve for x
    x = 292,891,131.12/19,716.48
  6. Step 6: Final answer
    x = 14,855.14

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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.