Home / 14,252.14-19,665.75-7,963.30

Finding the Fourth Proportional to 14,252.14, 19,665.75 and 7,963.30

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Solution

The fourth proportional to 14,252.14, 19,665.75 and 7,963.30 is: 10,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.14 : 19,665.75 = 7,963.30 : x
  2. Step 2: Convert to fraction form
    14,252.14/19,665.75 = 7,963.30/x
  3. Step 3: Cross multiply
    14,252.14x = 19,665.75 × 7,963.30
  4. Step 4: Simplify right side
    14,252.14x = 156,604,266.98
  5. Step 5: Solve for x
    x = 156,604,266.98/14,252.14
  6. Step 6: Final answer
    x = 10,988.12

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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.