Home / 14,004.48-19,326.08-7,716.80

Finding the Fourth Proportional to 14,004.48, 19,326.08 and 7,716.80

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Solution

The fourth proportional to 14,004.48, 19,326.08 and 7,716.80 is: 10,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.48 : 19,326.08 = 7,716.80 : x
  2. Step 2: Convert to fraction form
    14,004.48/19,326.08 = 7,716.80/x
  3. Step 3: Cross multiply
    14,004.48x = 19,326.08 × 7,716.80
  4. Step 4: Simplify right side
    14,004.48x = 149,135,494.14
  5. Step 5: Solve for x
    x = 149,135,494.14/14,004.48
  6. Step 6: Final answer
    x = 10,649.13

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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.