Home / 15,866.35-23,801.55-5,331.85

Finding the Fourth Proportional to 15,866.35, 23,801.55 and 5,331.85

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Solution

The fourth proportional to 15,866.35, 23,801.55 and 5,331.85 is: 7,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.35 : 23,801.55 = 5,331.85 : x
  2. Step 2: Convert to fraction form
    15,866.35/23,801.55 = 5,331.85/x
  3. Step 3: Cross multiply
    15,866.35x = 23,801.55 × 5,331.85
  4. Step 4: Simplify right side
    15,866.35x = 126,906,214.87
  5. Step 5: Solve for x
    x = 126,906,214.87/15,866.35
  6. Step 6: Final answer
    x = 7,998.45

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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.