Home / 14,004.12-19,326.15-7,716.63

Finding the Fourth Proportional to 14,004.12, 19,326.15 and 7,716.63

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Solution

The fourth proportional to 14,004.12, 19,326.15 and 7,716.63 is: 10,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.12 : 19,326.15 = 7,716.63 : x
  2. Step 2: Convert to fraction form
    14,004.12/19,326.15 = 7,716.63/x
  3. Step 3: Cross multiply
    14,004.12x = 19,326.15 × 7,716.63
  4. Step 4: Simplify right side
    14,004.12x = 149,132,748.87
  5. Step 5: Solve for x
    x = 149,132,748.87/14,004.12
  6. Step 6: Final answer
    x = 10,649.21

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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.