Home / 26,725.38-36,911.35-18,212.93

Finding the Fourth Proportional to 26,725.38, 36,911.35 and 18,212.93

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Solution

The fourth proportional to 26,725.38, 36,911.35 and 18,212.93 is: 25,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.38 : 36,911.35 = 18,212.93 : x
  2. Step 2: Convert to fraction form
    26,725.38/36,911.35 = 18,212.93/x
  3. Step 3: Cross multiply
    26,725.38x = 36,911.35 × 18,212.93
  4. Step 4: Simplify right side
    26,725.38x = 672,263,915.56
  5. Step 5: Solve for x
    x = 672,263,915.56/26,725.38
  6. Step 6: Final answer
    x = 25,154.52

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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.