Home / 13,363.50-18,441.66-7,395.57

Finding the Fourth Proportional to 13,363.50, 18,441.66 and 7,395.57

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Solution

The fourth proportional to 13,363.50, 18,441.66 and 7,395.57 is: 10,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.50 : 18,441.66 = 7,395.57 : x
  2. Step 2: Convert to fraction form
    13,363.50/18,441.66 = 7,395.57/x
  3. Step 3: Cross multiply
    13,363.50x = 18,441.66 × 7,395.57
  4. Step 4: Simplify right side
    13,363.50x = 136,386,587.45
  5. Step 5: Solve for x
    x = 136,386,587.45/13,363.50
  6. Step 6: Final answer
    x = 10,205.90

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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.