Home / 15,543.94-23,315.68-3,857.16

Finding the Fourth Proportional to 15,543.94, 23,315.68 and 3,857.16

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Solution

The fourth proportional to 15,543.94, 23,315.68 and 3,857.16 is: 5,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.94 : 23,315.68 = 3,857.16 : x
  2. Step 2: Convert to fraction form
    15,543.94/23,315.68 = 3,857.16/x
  3. Step 3: Cross multiply
    15,543.94x = 23,315.68 × 3,857.16
  4. Step 4: Simplify right side
    15,543.94x = 89,932,308.27
  5. Step 5: Solve for x
    x = 89,932,308.27/15,543.94
  6. Step 6: Final answer
    x = 5,785.68

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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.