Home / 18,301.16-27,458.32-7,201.70

Finding the Fourth Proportional to 18,301.16, 27,458.32 and 7,201.70

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Solution

The fourth proportional to 18,301.16, 27,458.32 and 7,201.70 is: 10,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.16 : 27,458.32 = 7,201.70 : x
  2. Step 2: Convert to fraction form
    18,301.16/27,458.32 = 7,201.70/x
  3. Step 3: Cross multiply
    18,301.16x = 27,458.32 × 7,201.70
  4. Step 4: Simplify right side
    18,301.16x = 197,746,409.84
  5. Step 5: Solve for x
    x = 197,746,409.84/18,301.16
  6. Step 6: Final answer
    x = 10,805.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.