Home / 13,363.74-18,441.85-7,395.73

Finding the Fourth Proportional to 13,363.74, 18,441.85 and 7,395.73

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Solution

The fourth proportional to 13,363.74, 18,441.85 and 7,395.73 is: 10,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.74 : 18,441.85 = 7,395.73 : x
  2. Step 2: Convert to fraction form
    13,363.74/18,441.85 = 7,395.73/x
  3. Step 3: Cross multiply
    13,363.74x = 18,441.85 × 7,395.73
  4. Step 4: Simplify right side
    13,363.74x = 136,391,043.04
  5. Step 5: Solve for x
    x = 136,391,043.04/13,363.74
  6. Step 6: Final answer
    x = 10,206.05

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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.