Home / 15,371.28-23,060-5,511.33

Finding the Fourth Proportional to 15,371.28, 23,060 and 5,511.33

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Solution

The fourth proportional to 15,371.28, 23,060 and 5,511.33 is: 8,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.28 : 23,060 = 5,511.33 : x
  2. Step 2: Convert to fraction form
    15,371.28/23,060 = 5,511.33/x
  3. Step 3: Cross multiply
    15,371.28x = 23,060 × 5,511.33
  4. Step 4: Simplify right side
    15,371.28x = 127,091,269.80
  5. Step 5: Solve for x
    x = 127,091,269.80/15,371.28
  6. Step 6: Final answer
    x = 8,268.10

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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.