Home / 17,172.75-25,749.65-5,323.24

Finding the Fourth Proportional to 17,172.75, 25,749.65 and 5,323.24

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Solution

The fourth proportional to 17,172.75, 25,749.65 and 5,323.24 is: 7,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.75 : 25,749.65 = 5,323.24 : x
  2. Step 2: Convert to fraction form
    17,172.75/25,749.65 = 5,323.24/x
  3. Step 3: Cross multiply
    17,172.75x = 25,749.65 × 5,323.24
  4. Step 4: Simplify right side
    17,172.75x = 137,071,566.87
  5. Step 5: Solve for x
    x = 137,071,566.87/17,172.75
  6. Step 6: Final answer
    x = 7,981.92

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1.5x scale

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.