Home / 17,135.53-23,645.79-9,478.48

Finding the Fourth Proportional to 17,135.53, 23,645.79 and 9,478.48

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Solution

The fourth proportional to 17,135.53, 23,645.79 and 9,478.48 is: 13,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.53 : 23,645.79 = 9,478.48 : x
  2. Step 2: Convert to fraction form
    17,135.53/23,645.79 = 9,478.48/x
  3. Step 3: Cross multiply
    17,135.53x = 23,645.79 × 9,478.48
  4. Step 4: Simplify right side
    17,135.53x = 224,126,147.60
  5. Step 5: Solve for x
    x = 224,126,147.60/17,135.53
  6. Step 6: Final answer
    x = 13,079.62

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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.