Home / 15,090.75-22,661.69-9,834.75

Finding the Fourth Proportional to 15,090.75, 22,661.69 and 9,834.75

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Solution

The fourth proportional to 15,090.75, 22,661.69 and 9,834.75 is: 14,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.75 : 22,661.69 = 9,834.75 : x
  2. Step 2: Convert to fraction form
    15,090.75/22,661.69 = 9,834.75/x
  3. Step 3: Cross multiply
    15,090.75x = 22,661.69 × 9,834.75
  4. Step 4: Simplify right side
    15,090.75x = 222,872,006.55
  5. Step 5: Solve for x
    x = 222,872,006.55/15,090.75
  6. Step 6: Final answer
    x = 14,768.78

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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.