Home / 26,107.08-36,015.06-15,489.19

Finding the Fourth Proportional to 26,107.08, 36,015.06 and 15,489.19

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Solution

The fourth proportional to 26,107.08, 36,015.06 and 15,489.19 is: 21,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.08 : 36,015.06 = 15,489.19 : x
  2. Step 2: Convert to fraction form
    26,107.08/36,015.06 = 15,489.19/x
  3. Step 3: Cross multiply
    26,107.08x = 36,015.06 × 15,489.19
  4. Step 4: Simplify right side
    26,107.08x = 557,844,210.30
  5. Step 5: Solve for x
    x = 557,844,210.30/26,107.08
  6. Step 6: Final answer
    x = 21,367.55

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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.