Home / 17,751.72-26,631.67-5,271.46

Finding the Fourth Proportional to 17,751.72, 26,631.67 and 5,271.46

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Solution

The fourth proportional to 17,751.72, 26,631.67 and 5,271.46 is: 7,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.72 : 26,631.67 = 5,271.46 : x
  2. Step 2: Convert to fraction form
    17,751.72/26,631.67 = 5,271.46/x
  3. Step 3: Cross multiply
    17,751.72x = 26,631.67 × 5,271.46
  4. Step 4: Simplify right side
    17,751.72x = 140,387,783.14
  5. Step 5: Solve for x
    x = 140,387,783.14/17,751.72
  6. Step 6: Final answer
    x = 7,908.40

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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.