Home / 33,785.09-46,623.12-18,678.14

Finding the Fourth Proportional to 33,785.09, 46,623.12 and 18,678.14

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Solution

The fourth proportional to 33,785.09, 46,623.12 and 18,678.14 is: 25,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,785.09 : 46,623.12 = 18,678.14 : x
  2. Step 2: Convert to fraction form
    33,785.09/46,623.12 = 18,678.14/x
  3. Step 3: Cross multiply
    33,785.09x = 46,623.12 × 18,678.14
  4. Step 4: Simplify right side
    33,785.09x = 870,832,929.48
  5. Step 5: Solve for x
    x = 870,832,929.48/33,785.09
  6. Step 6: Final answer
    x = 25,775.66

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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.