Home / 17,220.07-23,757.59-11,255.18

Finding the Fourth Proportional to 17,220.07, 23,757.59 and 11,255.18

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Solution

The fourth proportional to 17,220.07, 23,757.59 and 11,255.18 is: 15,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.07 : 23,757.59 = 11,255.18 : x
  2. Step 2: Convert to fraction form
    17,220.07/23,757.59 = 11,255.18/x
  3. Step 3: Cross multiply
    17,220.07x = 23,757.59 × 11,255.18
  4. Step 4: Simplify right side
    17,220.07x = 267,395,954.93
  5. Step 5: Solve for x
    x = 267,395,954.93/17,220.07
  6. Step 6: Final answer
    x = 15,528.16

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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.