Home / 26,619.15-36,734.35-15,289.38

Finding the Fourth Proportional to 26,619.15, 36,734.35 and 15,289.38

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Solution

The fourth proportional to 26,619.15, 36,734.35 and 15,289.38 is: 21,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.15 : 36,734.35 = 15,289.38 : x
  2. Step 2: Convert to fraction form
    26,619.15/36,734.35 = 15,289.38/x
  3. Step 3: Cross multiply
    26,619.15x = 36,734.35 × 15,289.38
  4. Step 4: Simplify right side
    26,619.15x = 561,645,397.98
  5. Step 5: Solve for x
    x = 561,645,397.98/26,619.15
  6. Step 6: Final answer
    x = 21,099.30

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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.