Home / 31,184.32-46,744.96-13,426.56

Finding the Fourth Proportional to 31,184.32, 46,744.96 and 13,426.56

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Solution

The fourth proportional to 31,184.32, 46,744.96 and 13,426.56 is: 20,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.32 : 46,744.96 = 13,426.56 : x
  2. Step 2: Convert to fraction form
    31,184.32/46,744.96 = 13,426.56/x
  3. Step 3: Cross multiply
    31,184.32x = 46,744.96 × 13,426.56
  4. Step 4: Simplify right side
    31,184.32x = 627,623,976.57
  5. Step 5: Solve for x
    x = 627,623,976.57/31,184.32
  6. Step 6: Final answer
    x = 20,126.27

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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.