Home / 17,112.78-23,615.64-9,559.08

Finding the Fourth Proportional to 17,112.78, 23,615.64 and 9,559.08

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Solution

The fourth proportional to 17,112.78, 23,615.64 and 9,559.08 is: 13,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.78 : 23,615.64 = 9,559.08 : x
  2. Step 2: Convert to fraction form
    17,112.78/23,615.64 = 9,559.08/x
  3. Step 3: Cross multiply
    17,112.78x = 23,615.64 × 9,559.08
  4. Step 4: Simplify right side
    17,112.78x = 225,743,792.01
  5. Step 5: Solve for x
    x = 225,743,792.01/17,112.78
  6. Step 6: Final answer
    x = 13,191.53

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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.