Home / 23,091.23-31,867.53-13,020.60

Finding the Fourth Proportional to 23,091.23, 31,867.53 and 13,020.60

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Solution

The fourth proportional to 23,091.23, 31,867.53 and 13,020.60 is: 17,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091.23 : 31,867.53 = 13,020.60 : x
  2. Step 2: Convert to fraction form
    23,091.23/31,867.53 = 13,020.60/x
  3. Step 3: Cross multiply
    23,091.23x = 31,867.53 × 13,020.60
  4. Step 4: Simplify right side
    23,091.23x = 414,934,361.12
  5. Step 5: Solve for x
    x = 414,934,361.12/23,091.23
  6. Step 6: Final answer
    x = 17,969.35

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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.