Home / 18,566.15-25,614.56-12,196.16

Finding the Fourth Proportional to 18,566.15, 25,614.56 and 12,196.16

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Solution

The fourth proportional to 18,566.15, 25,614.56 and 12,196.16 is: 16,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.15 : 25,614.56 = 12,196.16 : x
  2. Step 2: Convert to fraction form
    18,566.15/25,614.56 = 12,196.16/x
  3. Step 3: Cross multiply
    18,566.15x = 25,614.56 × 12,196.16
  4. Step 4: Simplify right side
    18,566.15x = 312,399,336.13
  5. Step 5: Solve for x
    x = 312,399,336.13/18,566.15
  6. Step 6: Final answer
    x = 16,826.29

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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.