Home / 18,516.03-25,552.13-10,018.11

Finding the Fourth Proportional to 18,516.03, 25,552.13 and 10,018.11

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Solution

The fourth proportional to 18,516.03, 25,552.13 and 10,018.11 is: 13,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.03 : 25,552.13 = 10,018.11 : x
  2. Step 2: Convert to fraction form
    18,516.03/25,552.13 = 10,018.11/x
  3. Step 3: Cross multiply
    18,516.03x = 25,552.13 × 10,018.11
  4. Step 4: Simplify right side
    18,516.03x = 255,983,998.98
  5. Step 5: Solve for x
    x = 255,983,998.98/18,516.03
  6. Step 6: Final answer
    x = 13,824.99

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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.