Home / 14,250.78-19,665.45-7,963.02

Finding the Fourth Proportional to 14,250.78, 19,665.45 and 7,963.02

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Solution

The fourth proportional to 14,250.78, 19,665.45 and 7,963.02 is: 10,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.78 : 19,665.45 = 7,963.02 : x
  2. Step 2: Convert to fraction form
    14,250.78/19,665.45 = 7,963.02/x
  3. Step 3: Cross multiply
    14,250.78x = 19,665.45 × 7,963.02
  4. Step 4: Simplify right side
    14,250.78x = 156,596,371.66
  5. Step 5: Solve for x
    x = 156,596,371.66/14,250.78
  6. Step 6: Final answer
    x = 10,988.62

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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.