Home / 13,007.02-19,511.70-3,647.14

Finding the Fourth Proportional to 13,007.02, 19,511.70 and 3,647.14

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Solution

The fourth proportional to 13,007.02, 19,511.70 and 3,647.14 is: 5,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.02 : 19,511.70 = 3,647.14 : x
  2. Step 2: Convert to fraction form
    13,007.02/19,511.70 = 3,647.14/x
  3. Step 3: Cross multiply
    13,007.02x = 19,511.70 × 3,647.14
  4. Step 4: Simplify right side
    13,007.02x = 71,161,901.54
  5. Step 5: Solve for x
    x = 71,161,901.54/13,007.02
  6. Step 6: Final answer
    x = 5,471.04

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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.