Home / 13,297.73-18,350.05-7,329.45

Finding the Fourth Proportional to 13,297.73, 18,350.05 and 7,329.45

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Solution

The fourth proportional to 13,297.73, 18,350.05 and 7,329.45 is: 10,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.73 : 18,350.05 = 7,329.45 : x
  2. Step 2: Convert to fraction form
    13,297.73/18,350.05 = 7,329.45/x
  3. Step 3: Cross multiply
    13,297.73x = 18,350.05 × 7,329.45
  4. Step 4: Simplify right side
    13,297.73x = 134,495,755.65
  5. Step 5: Solve for x
    x = 134,495,755.65/13,297.73
  6. Step 6: Final answer
    x = 10,114.19

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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.