Home / 15,077.63-22,620.09-4,689.38

Finding the Fourth Proportional to 15,077.63, 22,620.09 and 4,689.38

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Solution

The fourth proportional to 15,077.63, 22,620.09 and 4,689.38 is: 7,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.63 : 22,620.09 = 4,689.38 : x
  2. Step 2: Convert to fraction form
    15,077.63/22,620.09 = 4,689.38/x
  3. Step 3: Cross multiply
    15,077.63x = 22,620.09 × 4,689.38
  4. Step 4: Simplify right side
    15,077.63x = 106,074,084.54
  5. Step 5: Solve for x
    x = 106,074,084.54/15,077.63
  6. Step 6: Final answer
    x = 7,035.20

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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.