Home / 14,004.60-19,326.31-7,716.97

Finding the Fourth Proportional to 14,004.60, 19,326.31 and 7,716.97

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Solution

The fourth proportional to 14,004.60, 19,326.31 and 7,716.97 is: 10,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.60 : 19,326.31 = 7,716.97 : x
  2. Step 2: Convert to fraction form
    14,004.60/19,326.31 = 7,716.97/x
  3. Step 3: Cross multiply
    14,004.60x = 19,326.31 × 7,716.97
  4. Step 4: Simplify right side
    14,004.60x = 149,140,554.48
  5. Step 5: Solve for x
    x = 149,140,554.48/14,004.60
  6. Step 6: Final answer
    x = 10,649.40

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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.