Home / 15,039.51-20,753.77-8,233.35

Finding the Fourth Proportional to 15,039.51, 20,753.77 and 8,233.35

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Solution

The fourth proportional to 15,039.51, 20,753.77 and 8,233.35 is: 11,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.51 : 20,753.77 = 8,233.35 : x
  2. Step 2: Convert to fraction form
    15,039.51/20,753.77 = 8,233.35/x
  3. Step 3: Cross multiply
    15,039.51x = 20,753.77 × 8,233.35
  4. Step 4: Simplify right side
    15,039.51x = 170,873,052.23
  5. Step 5: Solve for x
    x = 170,873,052.23/15,039.51
  6. Step 6: Final answer
    x = 11,361.61

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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.