Home / 13,266.62-18,307.21-7,297.32

Finding the Fourth Proportional to 13,266.62, 18,307.21 and 7,297.32

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Solution

The fourth proportional to 13,266.62, 18,307.21 and 7,297.32 is: 10,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.62 : 18,307.21 = 7,297.32 : x
  2. Step 2: Convert to fraction form
    13,266.62/18,307.21 = 7,297.32/x
  3. Step 3: Cross multiply
    13,266.62x = 18,307.21 × 7,297.32
  4. Step 4: Simplify right side
    13,266.62x = 133,593,569.68
  5. Step 5: Solve for x
    x = 133,593,569.68/13,266.62
  6. Step 6: Final answer
    x = 10,069.90

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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.