Home / 18,210.48-27,179.76-17,767.68

Finding the Fourth Proportional to 18,210.48, 27,179.76 and 17,767.68

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Solution

The fourth proportional to 18,210.48, 27,179.76 and 17,767.68 is: 26,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.48 : 27,179.76 = 17,767.68 : x
  2. Step 2: Convert to fraction form
    18,210.48/27,179.76 = 17,767.68/x
  3. Step 3: Cross multiply
    18,210.48x = 27,179.76 × 17,767.68
  4. Step 4: Simplify right side
    18,210.48x = 482,921,278.16
  5. Step 5: Solve for x
    x = 482,921,278.16/18,210.48
  6. Step 6: Final answer
    x = 26,518.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.