Home / 23,710.12-32,720.75-13,100.33

Finding the Fourth Proportional to 23,710.12, 32,720.75 and 13,100.33

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Solution

The fourth proportional to 23,710.12, 32,720.75 and 13,100.33 is: 18,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.12 : 32,720.75 = 13,100.33 : x
  2. Step 2: Convert to fraction form
    23,710.12/32,720.75 = 13,100.33/x
  3. Step 3: Cross multiply
    23,710.12x = 32,720.75 × 13,100.33
  4. Step 4: Simplify right side
    23,710.12x = 428,652,622.85
  5. Step 5: Solve for x
    x = 428,652,622.85/23,710.12
  6. Step 6: Final answer
    x = 18,078.89

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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.