Home / 12,933.22-19,398.37-3,574.57

Finding the Fourth Proportional to 12,933.22, 19,398.37 and 3,574.57

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Solution

The fourth proportional to 12,933.22, 19,398.37 and 3,574.57 is: 5,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.22 : 19,398.37 = 3,574.57 : x
  2. Step 2: Convert to fraction form
    12,933.22/19,398.37 = 3,574.57/x
  3. Step 3: Cross multiply
    12,933.22x = 19,398.37 × 3,574.57
  4. Step 4: Simplify right side
    12,933.22x = 69,340,774.02
  5. Step 5: Solve for x
    x = 69,340,774.02/12,933.22
  6. Step 6: Final answer
    x = 5,361.45

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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.