Home / 15,029.07-20,727.52-11,261.08

Finding the Fourth Proportional to 15,029.07, 20,727.52 and 11,261.08

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Solution

The fourth proportional to 15,029.07, 20,727.52 and 11,261.08 is: 15,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.07 : 20,727.52 = 11,261.08 : x
  2. Step 2: Convert to fraction form
    15,029.07/20,727.52 = 11,261.08/x
  3. Step 3: Cross multiply
    15,029.07x = 20,727.52 × 11,261.08
  4. Step 4: Simplify right side
    15,029.07x = 233,414,260.92
  5. Step 5: Solve for x
    x = 233,414,260.92/15,029.07
  6. Step 6: Final answer
    x = 15,530.85

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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.