Home / 13,363.57-18,442.65-7,395.49

Finding the Fourth Proportional to 13,363.57, 18,442.65 and 7,395.49

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Solution

The fourth proportional to 13,363.57, 18,442.65 and 7,395.49 is: 10,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.57 : 18,442.65 = 7,395.49 : x
  2. Step 2: Convert to fraction form
    13,363.57/18,442.65 = 7,395.49/x
  3. Step 3: Cross multiply
    13,363.57x = 18,442.65 × 7,395.49
  4. Step 4: Simplify right side
    13,363.57x = 136,392,433.65
  5. Step 5: Solve for x
    x = 136,392,433.65/13,363.57
  6. Step 6: Final answer
    x = 10,206.29

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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.