Home / 19,716.28-27,208.88-10,764.16

Finding the Fourth Proportional to 19,716.28, 27,208.88 and 10,764.16

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Solution

The fourth proportional to 19,716.28, 27,208.88 and 10,764.16 is: 14,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.28 : 27,208.88 = 10,764.16 : x
  2. Step 2: Convert to fraction form
    19,716.28/27,208.88 = 10,764.16/x
  3. Step 3: Cross multiply
    19,716.28x = 27,208.88 × 10,764.16
  4. Step 4: Simplify right side
    19,716.28x = 292,880,832.67
  5. Step 5: Solve for x
    x = 292,880,832.67/19,716.28
  6. Step 6: Final answer
    x = 14,854.77

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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.