Home / 26,925.48-37,125.38-18,431.72

Finding the Fourth Proportional to 26,925.48, 37,125.38 and 18,431.72

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Solution

The fourth proportional to 26,925.48, 37,125.38 and 18,431.72 is: 25,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,925.48 : 37,125.38 = 18,431.72 : x
  2. Step 2: Convert to fraction form
    26,925.48/37,125.38 = 18,431.72/x
  3. Step 3: Cross multiply
    26,925.48x = 37,125.38 × 18,431.72
  4. Step 4: Simplify right side
    26,925.48x = 684,284,609.05
  5. Step 5: Solve for x
    x = 684,284,609.05/26,925.48
  6. Step 6: Final answer
    x = 25,414.02

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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.