Home / 13,233.32-18,259.17-7,855.58

Finding the Fourth Proportional to 13,233.32, 18,259.17 and 7,855.58

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Solution

The fourth proportional to 13,233.32, 18,259.17 and 7,855.58 is: 10,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.32 : 18,259.17 = 7,855.58 : x
  2. Step 2: Convert to fraction form
    13,233.32/18,259.17 = 7,855.58/x
  3. Step 3: Cross multiply
    13,233.32x = 18,259.17 × 7,855.58
  4. Step 4: Simplify right side
    13,233.32x = 143,436,431.05
  5. Step 5: Solve for x
    x = 143,436,431.05/13,233.32
  6. Step 6: Final answer
    x = 10,839.03

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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.