Home / 18,526.78-25,564.57-10,568.53

Finding the Fourth Proportional to 18,526.78, 25,564.57 and 10,568.53

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Solution

The fourth proportional to 18,526.78, 25,564.57 and 10,568.53 is: 14,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.78 : 25,564.57 = 10,568.53 : x
  2. Step 2: Convert to fraction form
    18,526.78/25,564.57 = 10,568.53/x
  3. Step 3: Cross multiply
    18,526.78x = 25,564.57 × 10,568.53
  4. Step 4: Simplify right side
    18,526.78x = 270,179,924.98
  5. Step 5: Solve for x
    x = 270,179,924.98/18,526.78
  6. Step 6: Final answer
    x = 14,583.21

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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.