Home / 23,008.40-34,512.60-19,071.80

Finding the Fourth Proportional to 23,008.40, 34,512.60 and 19,071.80

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Solution

The fourth proportional to 23,008.40, 34,512.60 and 19,071.80 is: 28,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.40 : 34,512.60 = 19,071.80 : x
  2. Step 2: Convert to fraction form
    23,008.40/34,512.60 = 19,071.80/x
  3. Step 3: Cross multiply
    23,008.40x = 34,512.60 × 19,071.80
  4. Step 4: Simplify right side
    23,008.40x = 658,217,404.68
  5. Step 5: Solve for x
    x = 658,217,404.68/23,008.40
  6. Step 6: Final answer
    x = 28,607.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.