Home / 22,415.16-30,940.38-15,362.04

Finding the Fourth Proportional to 22,415.16, 30,940.38 and 15,362.04

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Solution

The fourth proportional to 22,415.16, 30,940.38 and 15,362.04 is: 21,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.16 : 30,940.38 = 15,362.04 : x
  2. Step 2: Convert to fraction form
    22,415.16/30,940.38 = 15,362.04/x
  3. Step 3: Cross multiply
    22,415.16x = 30,940.38 × 15,362.04
  4. Step 4: Simplify right side
    22,415.16x = 475,307,355.18
  5. Step 5: Solve for x
    x = 475,307,355.18/22,415.16
  6. Step 6: Final answer
    x = 21,204.73

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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.