Home / 17,132.16-23,640.48-9,680.16

Finding the Fourth Proportional to 17,132.16, 23,640.48 and 9,680.16

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Solution

The fourth proportional to 17,132.16, 23,640.48 and 9,680.16 is: 13,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.16 : 23,640.48 = 9,680.16 : x
  2. Step 2: Convert to fraction form
    17,132.16/23,640.48 = 9,680.16/x
  3. Step 3: Cross multiply
    17,132.16x = 23,640.48 × 9,680.16
  4. Step 4: Simplify right side
    17,132.16x = 228,843,628.88
  5. Step 5: Solve for x
    x = 228,843,628.88/17,132.16
  6. Step 6: Final answer
    x = 13,357.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.