Home / 18,526.76-25,566.68-10,143.26

Finding the Fourth Proportional to 18,526.76, 25,566.68 and 10,143.26

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Solution

The fourth proportional to 18,526.76, 25,566.68 and 10,143.26 is: 13,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.76 : 25,566.68 = 10,143.26 : x
  2. Step 2: Convert to fraction form
    18,526.76/25,566.68 = 10,143.26/x
  3. Step 3: Cross multiply
    18,526.76x = 25,566.68 × 10,143.26
  4. Step 4: Simplify right side
    18,526.76x = 259,329,431.86
  5. Step 5: Solve for x
    x = 259,329,431.86/18,526.76
  6. Step 6: Final answer
    x = 13,997.56

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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.