Home / 14,023.05-21,028.43-5,251.81

Finding the Fourth Proportional to 14,023.05, 21,028.43 and 5,251.81

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Solution

The fourth proportional to 14,023.05, 21,028.43 and 5,251.81 is: 7,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.05 : 21,028.43 = 5,251.81 : x
  2. Step 2: Convert to fraction form
    14,023.05/21,028.43 = 5,251.81/x
  3. Step 3: Cross multiply
    14,023.05x = 21,028.43 × 5,251.81
  4. Step 4: Simplify right side
    14,023.05x = 110,437,187.56
  5. Step 5: Solve for x
    x = 110,437,187.56/14,023.05
  6. Step 6: Final answer
    x = 7,875.41

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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.