Home / 19,716.10-27,208.88-10,764.08

Finding the Fourth Proportional to 19,716.10, 27,208.88 and 10,764.08

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Solution

The fourth proportional to 19,716.10, 27,208.88 and 10,764.08 is: 14,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.10 : 27,208.88 = 10,764.08 : x
  2. Step 2: Convert to fraction form
    19,716.10/27,208.88 = 10,764.08/x
  3. Step 3: Cross multiply
    19,716.10x = 27,208.88 × 10,764.08
  4. Step 4: Simplify right side
    19,716.10x = 292,878,561.03
  5. Step 5: Solve for x
    x = 292,878,561.03/19,716.10
  6. Step 6: Final answer
    x = 14,854.79

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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.