Home / 18,526.56-25,566.66-10,143.06

Finding the Fourth Proportional to 18,526.56, 25,566.66 and 10,143.06

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Solution

The fourth proportional to 18,526.56, 25,566.66 and 10,143.06 is: 13,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.56 : 25,566.66 = 10,143.06 : x
  2. Step 2: Convert to fraction form
    18,526.56/25,566.66 = 10,143.06/x
  3. Step 3: Cross multiply
    18,526.56x = 25,566.66 × 10,143.06
  4. Step 4: Simplify right side
    18,526.56x = 259,324,166.38
  5. Step 5: Solve for x
    x = 259,324,166.38/18,526.56
  6. Step 6: Final answer
    x = 13,997.43

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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.