Home / 15,334.52-21,149.51-11,084.85

Finding the Fourth Proportional to 15,334.52, 21,149.51 and 11,084.85

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Solution

The fourth proportional to 15,334.52, 21,149.51 and 11,084.85 is: 15,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.52 : 21,149.51 = 11,084.85 : x
  2. Step 2: Convert to fraction form
    15,334.52/21,149.51 = 11,084.85/x
  3. Step 3: Cross multiply
    15,334.52x = 21,149.51 × 11,084.85
  4. Step 4: Simplify right side
    15,334.52x = 234,439,090.50
  5. Step 5: Solve for x
    x = 234,439,090.50/15,334.52
  6. Step 6: Final answer
    x = 15,288.33

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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.