Home / 14,234.24-19,643.64-7,947.02

Finding the Fourth Proportional to 14,234.24, 19,643.64 and 7,947.02

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Solution

The fourth proportional to 14,234.24, 19,643.64 and 7,947.02 is: 10,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.24 : 19,643.64 = 7,947.02 : x
  2. Step 2: Convert to fraction form
    14,234.24/19,643.64 = 7,947.02/x
  3. Step 3: Cross multiply
    14,234.24x = 19,643.64 × 7,947.02
  4. Step 4: Simplify right side
    14,234.24x = 156,108,399.95
  5. Step 5: Solve for x
    x = 156,108,399.95/14,234.24
  6. Step 6: Final answer
    x = 10,967.10

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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.