Home / 16,987.06-23,433.96-11,020.60

Finding the Fourth Proportional to 16,987.06, 23,433.96 and 11,020.60

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Solution

The fourth proportional to 16,987.06, 23,433.96 and 11,020.60 is: 15,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.06 : 23,433.96 = 11,020.60 : x
  2. Step 2: Convert to fraction form
    16,987.06/23,433.96 = 11,020.60/x
  3. Step 3: Cross multiply
    16,987.06x = 23,433.96 × 11,020.60
  4. Step 4: Simplify right side
    16,987.06x = 258,256,282.32
  5. Step 5: Solve for x
    x = 258,256,282.32/16,987.06
  6. Step 6: Final answer
    x = 15,203.12

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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.