Home / 13,363.13-18,441.84-7,395.05

Finding the Fourth Proportional to 13,363.13, 18,441.84 and 7,395.05

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Solution

The fourth proportional to 13,363.13, 18,441.84 and 7,395.05 is: 10,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.13 : 18,441.84 = 7,395.05 : x
  2. Step 2: Convert to fraction form
    13,363.13/18,441.84 = 7,395.05/x
  3. Step 3: Cross multiply
    13,363.13x = 18,441.84 × 7,395.05
  4. Step 4: Simplify right side
    13,363.13x = 136,378,402.73
  5. Step 5: Solve for x
    x = 136,378,402.73/13,363.13
  6. Step 6: Final answer
    x = 10,205.57

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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.