Home / 13,297.88-18,350.24-7,329.22

Finding the Fourth Proportional to 13,297.88, 18,350.24 and 7,329.22

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Solution

The fourth proportional to 13,297.88, 18,350.24 and 7,329.22 is: 10,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.88 : 18,350.24 = 7,329.22 : x
  2. Step 2: Convert to fraction form
    13,297.88/18,350.24 = 7,329.22/x
  3. Step 3: Cross multiply
    13,297.88x = 18,350.24 × 7,329.22
  4. Step 4: Simplify right side
    13,297.88x = 134,492,946.01
  5. Step 5: Solve for x
    x = 134,492,946.01/13,297.88
  6. Step 6: Final answer
    x = 10,113.86

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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.