Home / 13,297.72-18,350.19-7,329.25

Finding the Fourth Proportional to 13,297.72, 18,350.19 and 7,329.25

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Solution

The fourth proportional to 13,297.72, 18,350.19 and 7,329.25 is: 10,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.72 : 18,350.19 = 7,329.25 : x
  2. Step 2: Convert to fraction form
    13,297.72/18,350.19 = 7,329.25/x
  3. Step 3: Cross multiply
    13,297.72x = 18,350.19 × 7,329.25
  4. Step 4: Simplify right side
    13,297.72x = 134,493,130.06
  5. Step 5: Solve for x
    x = 134,493,130.06/13,297.72
  6. Step 6: Final answer
    x = 10,114.00

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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.