Home / 13,363.44-18,441.27-7,395.21

Finding the Fourth Proportional to 13,363.44, 18,441.27 and 7,395.21

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Solution

The fourth proportional to 13,363.44, 18,441.27 and 7,395.21 is: 10,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.44 : 18,441.27 = 7,395.21 : x
  2. Step 2: Convert to fraction form
    13,363.44/18,441.27 = 7,395.21/x
  3. Step 3: Cross multiply
    13,363.44x = 18,441.27 × 7,395.21
  4. Step 4: Simplify right side
    13,363.44x = 136,377,064.32
  5. Step 5: Solve for x
    x = 136,377,064.32/13,363.44
  6. Step 6: Final answer
    x = 10,205.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.