Home / 18,516.22-25,552.28-10,018.32

Finding the Fourth Proportional to 18,516.22, 25,552.28 and 10,018.32

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Solution

The fourth proportional to 18,516.22, 25,552.28 and 10,018.32 is: 13,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.22 : 25,552.28 = 10,018.32 : x
  2. Step 2: Convert to fraction form
    18,516.22/25,552.28 = 10,018.32/x
  3. Step 3: Cross multiply
    18,516.22x = 25,552.28 × 10,018.32
  4. Step 4: Simplify right side
    18,516.22x = 255,990,917.77
  5. Step 5: Solve for x
    x = 255,990,917.77/18,516.22
  6. Step 6: Final answer
    x = 13,825.23

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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.