Home / 14,004.97-19,326.50-7,716.94

Finding the Fourth Proportional to 14,004.97, 19,326.50 and 7,716.94

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Solution

The fourth proportional to 14,004.97, 19,326.50 and 7,716.94 is: 10,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.97 : 19,326.50 = 7,716.94 : x
  2. Step 2: Convert to fraction form
    14,004.97/19,326.50 = 7,716.94/x
  3. Step 3: Cross multiply
    14,004.97x = 19,326.50 × 7,716.94
  4. Step 4: Simplify right side
    14,004.97x = 149,141,382.95
  5. Step 5: Solve for x
    x = 149,141,382.95/14,004.97
  6. Step 6: Final answer
    x = 10,649.18

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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.