Home / 22,485.75-33,712.76-9,998.93

Finding the Fourth Proportional to 22,485.75, 33,712.76 and 9,998.93

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Solution

The fourth proportional to 22,485.75, 33,712.76 and 9,998.93 is: 14,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.75 : 33,712.76 = 9,998.93 : x
  2. Step 2: Convert to fraction form
    22,485.75/33,712.76 = 9,998.93/x
  3. Step 3: Cross multiply
    22,485.75x = 33,712.76 × 9,998.93
  4. Step 4: Simplify right side
    22,485.75x = 337,091,308.79
  5. Step 5: Solve for x
    x = 337,091,308.79/22,485.75
  6. Step 6: Final answer
    x = 14,991.33

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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.