Home / 18,846.86-28,262.12-5,696.19

Finding the Fourth Proportional to 18,846.86, 28,262.12 and 5,696.19

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Solution

The fourth proportional to 18,846.86, 28,262.12 and 5,696.19 is: 8,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.86 : 28,262.12 = 5,696.19 : x
  2. Step 2: Convert to fraction form
    18,846.86/28,262.12 = 5,696.19/x
  3. Step 3: Cross multiply
    18,846.86x = 28,262.12 × 5,696.19
  4. Step 4: Simplify right side
    18,846.86x = 160,986,376.84
  5. Step 5: Solve for x
    x = 160,986,376.84/18,846.86
  6. Step 6: Final answer
    x = 8,541.82

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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.