Home / 16,836.19-25,309.64-15,618.30

Finding the Fourth Proportional to 16,836.19, 25,309.64 and 15,618.30

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Solution

The fourth proportional to 16,836.19, 25,309.64 and 15,618.30 is: 23,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.19 : 25,309.64 = 15,618.30 : x
  2. Step 2: Convert to fraction form
    16,836.19/25,309.64 = 15,618.30/x
  3. Step 3: Cross multiply
    16,836.19x = 25,309.64 × 15,618.30
  4. Step 4: Simplify right side
    16,836.19x = 395,293,550.41
  5. Step 5: Solve for x
    x = 395,293,550.41/16,836.19
  6. Step 6: Final answer
    x = 23,478.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.