Home / 15,126.46-22,686.01-4,738.21

Finding the Fourth Proportional to 15,126.46, 22,686.01 and 4,738.21

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Solution

The fourth proportional to 15,126.46, 22,686.01 and 4,738.21 is: 7,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.46 : 22,686.01 = 4,738.21 : x
  2. Step 2: Convert to fraction form
    15,126.46/22,686.01 = 4,738.21/x
  3. Step 3: Cross multiply
    15,126.46x = 22,686.01 × 4,738.21
  4. Step 4: Simplify right side
    15,126.46x = 107,491,010.88
  5. Step 5: Solve for x
    x = 107,491,010.88/15,126.46
  6. Step 6: Final answer
    x = 7,106.16

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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.