Home / 14,004.57-19,326.32-7,716.95

Finding the Fourth Proportional to 14,004.57, 19,326.32 and 7,716.95

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Solution

The fourth proportional to 14,004.57, 19,326.32 and 7,716.95 is: 10,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.57 : 19,326.32 = 7,716.95 : x
  2. Step 2: Convert to fraction form
    14,004.57/19,326.32 = 7,716.95/x
  3. Step 3: Cross multiply
    14,004.57x = 19,326.32 × 7,716.95
  4. Step 4: Simplify right side
    14,004.57x = 149,140,245.12
  5. Step 5: Solve for x
    x = 149,140,245.12/14,004.57
  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.