Home / 15,700.43-23,554.74-5,172.05

Finding the Fourth Proportional to 15,700.43, 23,554.74 and 5,172.05

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Solution

The fourth proportional to 15,700.43, 23,554.74 and 5,172.05 is: 7,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.43 : 23,554.74 = 5,172.05 : x
  2. Step 2: Convert to fraction form
    15,700.43/23,554.74 = 5,172.05/x
  3. Step 3: Cross multiply
    15,700.43x = 23,554.74 × 5,172.05
  4. Step 4: Simplify right side
    15,700.43x = 121,826,175.24
  5. Step 5: Solve for x
    x = 121,826,175.24/15,700.43
  6. Step 6: Final answer
    x = 7,759.42

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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.