Home / 55,716.87-83,578.01-18,273.63

Finding the Fourth Proportional to 55,716.87, 83,578.01 and 18,273.63

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Solution

The fourth proportional to 55,716.87, 83,578.01 and 18,273.63 is: 27,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.87 : 83,578.01 = 18,273.63 : x
  2. Step 2: Convert to fraction form
    55,716.87/83,578.01 = 18,273.63/x
  3. Step 3: Cross multiply
    55,716.87x = 83,578.01 × 18,273.63
  4. Step 4: Simplify right side
    55,716.87x = 1,527,273,539.51
  5. Step 5: Solve for x
    x = 1,527,273,539.51/55,716.87
  6. Step 6: Final answer
    x = 27,411.33

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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.