Home / 26,110.78-39,130.79-19,057.70

Finding the Fourth Proportional to 26,110.78, 39,130.79 and 19,057.70

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Solution

The fourth proportional to 26,110.78, 39,130.79 and 19,057.70 is: 28,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,110.78 : 39,130.79 = 19,057.70 : x
  2. Step 2: Convert to fraction form
    26,110.78/39,130.79 = 19,057.70/x
  3. Step 3: Cross multiply
    26,110.78x = 39,130.79 × 19,057.70
  4. Step 4: Simplify right side
    26,110.78x = 745,742,859.12
  5. Step 5: Solve for x
    x = 745,742,859.12/26,110.78
  6. Step 6: Final answer
    x = 28,560.73

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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.