Home / 19,716.71-27,208.86-10,764.18

Finding the Fourth Proportional to 19,716.71, 27,208.86 and 10,764.18

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Solution

The fourth proportional to 19,716.71, 27,208.86 and 10,764.18 is: 14,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.71 : 27,208.86 = 10,764.18 : x
  2. Step 2: Convert to fraction form
    19,716.71/27,208.86 = 10,764.18/x
  3. Step 3: Cross multiply
    19,716.71x = 27,208.86 × 10,764.18
  4. Step 4: Simplify right side
    19,716.71x = 292,881,066.63
  5. Step 5: Solve for x
    x = 292,881,066.63/19,716.71
  6. Step 6: Final answer
    x = 14,854.46

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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.