Home / 23,848.80-32,912.08-13,239.20

Finding the Fourth Proportional to 23,848.80, 32,912.08 and 13,239.20

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Solution

The fourth proportional to 23,848.80, 32,912.08 and 13,239.20 is: 18,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,848.80 : 32,912.08 = 13,239.20 : x
  2. Step 2: Convert to fraction form
    23,848.80/32,912.08 = 13,239.20/x
  3. Step 3: Cross multiply
    23,848.80x = 32,912.08 × 13,239.20
  4. Step 4: Simplify right side
    23,848.80x = 435,729,609.54
  5. Step 5: Solve for x
    x = 435,729,609.54/23,848.80
  6. Step 6: Final answer
    x = 18,270.50

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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.