Home / 13,363.98-18,441.51-7,395.42

Finding the Fourth Proportional to 13,363.98, 18,441.51 and 7,395.42

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Solution

The fourth proportional to 13,363.98, 18,441.51 and 7,395.42 is: 10,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.98 : 18,441.51 = 7,395.42 : x
  2. Step 2: Convert to fraction form
    13,363.98/18,441.51 = 7,395.42/x
  3. Step 3: Cross multiply
    13,363.98x = 18,441.51 × 7,395.42
  4. Step 4: Simplify right side
    13,363.98x = 136,382,711.88
  5. Step 5: Solve for x
    x = 136,382,711.88/13,363.98
  6. Step 6: Final answer
    x = 10,205.25

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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.