Home / 17,788.37-26,687.19-10,399.13

Finding the Fourth Proportional to 17,788.37, 26,687.19 and 10,399.13

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Solution

The fourth proportional to 17,788.37, 26,687.19 and 10,399.13 is: 15,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.37 : 26,687.19 = 10,399.13 : x
  2. Step 2: Convert to fraction form
    17,788.37/26,687.19 = 10,399.13/x
  3. Step 3: Cross multiply
    17,788.37x = 26,687.19 × 10,399.13
  4. Step 4: Simplify right side
    17,788.37x = 277,523,558.14
  5. Step 5: Solve for x
    x = 277,523,558.14/17,788.37
  6. Step 6: Final answer
    x = 15,601.40

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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.