Home / 15,100.22-20,836.77-8,816.24

Finding the Fourth Proportional to 15,100.22, 20,836.77 and 8,816.24

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Solution

The fourth proportional to 15,100.22, 20,836.77 and 8,816.24 is: 12,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.22 : 20,836.77 = 8,816.24 : x
  2. Step 2: Convert to fraction form
    15,100.22/20,836.77 = 8,816.24/x
  3. Step 3: Cross multiply
    15,100.22x = 20,836.77 × 8,816.24
  4. Step 4: Simplify right side
    15,100.22x = 183,701,860.96
  5. Step 5: Solve for x
    x = 183,701,860.96/15,100.22
  6. Step 6: Final answer
    x = 12,165.51

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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.