Home / 17,170.02-23,717.34-13,240.44

Finding the Fourth Proportional to 17,170.02, 23,717.34 and 13,240.44

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Solution

The fourth proportional to 17,170.02, 23,717.34 and 13,240.44 is: 18,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.02 : 23,717.34 = 13,240.44 : x
  2. Step 2: Convert to fraction form
    17,170.02/23,717.34 = 13,240.44/x
  3. Step 3: Cross multiply
    17,170.02x = 23,717.34 × 13,240.44
  4. Step 4: Simplify right side
    17,170.02x = 314,028,017.23
  5. Step 5: Solve for x
    x = 314,028,017.23/17,170.02
  6. Step 6: Final answer
    x = 18,289.32

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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.