Home / 23,703.75-32,706.87-15,315.39

Finding the Fourth Proportional to 23,703.75, 32,706.87 and 15,315.39

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Solution

The fourth proportional to 23,703.75, 32,706.87 and 15,315.39 is: 21,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,703.75 : 32,706.87 = 15,315.39 : x
  2. Step 2: Convert to fraction form
    23,703.75/32,706.87 = 15,315.39/x
  3. Step 3: Cross multiply
    23,703.75x = 32,706.87 × 15,315.39
  4. Step 4: Simplify right side
    23,703.75x = 500,918,469.73
  5. Step 5: Solve for x
    x = 500,918,469.73/23,703.75
  6. Step 6: Final answer
    x = 21,132.46

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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.