Home / 23,615.40-32,580.45-13,540.26

Finding the Fourth Proportional to 23,615.40, 32,580.45 and 13,540.26

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Solution

The fourth proportional to 23,615.40, 32,580.45 and 13,540.26 is: 18,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615.40 : 32,580.45 = 13,540.26 : x
  2. Step 2: Convert to fraction form
    23,615.40/32,580.45 = 13,540.26/x
  3. Step 3: Cross multiply
    23,615.40x = 32,580.45 × 13,540.26
  4. Step 4: Simplify right side
    23,615.40x = 441,147,763.92
  5. Step 5: Solve for x
    x = 441,147,763.92/23,615.40
  6. Step 6: Final answer
    x = 18,680.51

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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.