Home / 26,815.86-37,028.61-18,875.70

Finding the Fourth Proportional to 26,815.86, 37,028.61 and 18,875.70

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Solution

The fourth proportional to 26,815.86, 37,028.61 and 18,875.70 is: 26,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.86 : 37,028.61 = 18,875.70 : x
  2. Step 2: Convert to fraction form
    26,815.86/37,028.61 = 18,875.70/x
  3. Step 3: Cross multiply
    26,815.86x = 37,028.61 × 18,875.70
  4. Step 4: Simplify right side
    26,815.86x = 698,940,933.78
  5. Step 5: Solve for x
    x = 698,940,933.78/26,815.86
  6. Step 6: Final answer
    x = 26,064.46

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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.