Home / 19,519.14-29,280.33-6,371.22

Finding the Fourth Proportional to 19,519.14, 29,280.33 and 6,371.22

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Solution

The fourth proportional to 19,519.14, 29,280.33 and 6,371.22 is: 9,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.14 : 29,280.33 = 6,371.22 : x
  2. Step 2: Convert to fraction form
    19,519.14/29,280.33 = 6,371.22/x
  3. Step 3: Cross multiply
    19,519.14x = 29,280.33 × 6,371.22
  4. Step 4: Simplify right side
    19,519.14x = 186,551,424.10
  5. Step 5: Solve for x
    x = 186,551,424.10/19,519.14
  6. Step 6: Final answer
    x = 9,557.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.