Home / 15,072.77-22,612.49-5,078.01

Finding the Fourth Proportional to 15,072.77, 22,612.49 and 5,078.01

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Solution

The fourth proportional to 15,072.77, 22,612.49 and 5,078.01 is: 7,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.77 : 22,612.49 = 5,078.01 : x
  2. Step 2: Convert to fraction form
    15,072.77/22,612.49 = 5,078.01/x
  3. Step 3: Cross multiply
    15,072.77x = 22,612.49 × 5,078.01
  4. Step 4: Simplify right side
    15,072.77x = 114,826,450.34
  5. Step 5: Solve for x
    x = 114,826,450.34/15,072.77
  6. Step 6: Final answer
    x = 7,618.14

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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.