Home / 26,438.62-36,484.64-15,107.39

Finding the Fourth Proportional to 26,438.62, 36,484.64 and 15,107.39

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Solution

The fourth proportional to 26,438.62, 36,484.64 and 15,107.39 is: 20,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.62 : 36,484.64 = 15,107.39 : x
  2. Step 2: Convert to fraction form
    26,438.62/36,484.64 = 15,107.39/x
  3. Step 3: Cross multiply
    26,438.62x = 36,484.64 × 15,107.39
  4. Step 4: Simplify right side
    26,438.62x = 551,187,701.16
  5. Step 5: Solve for x
    x = 551,187,701.16/26,438.62
  6. Step 6: Final answer
    x = 20,847.83

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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.