Home / 18,348.66-25,331.64-12,079.26

Finding the Fourth Proportional to 18,348.66, 25,331.64 and 12,079.26

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Solution

The fourth proportional to 18,348.66, 25,331.64 and 12,079.26 is: 16,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.66 : 25,331.64 = 12,079.26 : x
  2. Step 2: Convert to fraction form
    18,348.66/25,331.64 = 12,079.26/x
  3. Step 3: Cross multiply
    18,348.66x = 25,331.64 × 12,079.26
  4. Step 4: Simplify right side
    18,348.66x = 305,987,465.79
  5. Step 5: Solve for x
    x = 305,987,465.79/18,348.66
  6. Step 6: Final answer
    x = 16,676.28

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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.