Home / 15,453.46-23,172.51-4,922.10

Finding the Fourth Proportional to 15,453.46, 23,172.51 and 4,922.10

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Solution

The fourth proportional to 15,453.46, 23,172.51 and 4,922.10 is: 7,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.46 : 23,172.51 = 4,922.10 : x
  2. Step 2: Convert to fraction form
    15,453.46/23,172.51 = 4,922.10/x
  3. Step 3: Cross multiply
    15,453.46x = 23,172.51 × 4,922.10
  4. Step 4: Simplify right side
    15,453.46x = 114,057,411.47
  5. Step 5: Solve for x
    x = 114,057,411.47/15,453.46
  6. Step 6: Final answer
    x = 7,380.70

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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.