Home / 15,044.41-20,761.51-8,238.32

Finding the Fourth Proportional to 15,044.41, 20,761.51 and 8,238.32

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Solution

The fourth proportional to 15,044.41, 20,761.51 and 8,238.32 is: 11,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.41 : 20,761.51 = 8,238.32 : x
  2. Step 2: Convert to fraction form
    15,044.41/20,761.51 = 8,238.32/x
  3. Step 3: Cross multiply
    15,044.41x = 20,761.51 × 8,238.32
  4. Step 4: Simplify right side
    15,044.41x = 171,039,859.26
  5. Step 5: Solve for x
    x = 171,039,859.26/15,044.41
  6. Step 6: Final answer
    x = 11,369.00

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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.