Home / 12,932.21-19,397.93-3,572.81

Finding the Fourth Proportional to 12,932.21, 19,397.93 and 3,572.81

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Solution

The fourth proportional to 12,932.21, 19,397.93 and 3,572.81 is: 5,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.21 : 19,397.93 = 3,572.81 : x
  2. Step 2: Convert to fraction form
    12,932.21/19,397.93 = 3,572.81/x
  3. Step 3: Cross multiply
    12,932.21x = 19,397.93 × 3,572.81
  4. Step 4: Simplify right side
    12,932.21x = 69,305,003.43
  5. Step 5: Solve for x
    x = 69,305,003.43/12,932.21
  6. Step 6: Final answer
    x = 5,359.10

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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.