Home / 17,979.73-24,812.07-10,021.80

Finding the Fourth Proportional to 17,979.73, 24,812.07 and 10,021.80

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Solution

The fourth proportional to 17,979.73, 24,812.07 and 10,021.80 is: 13,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.73 : 24,812.07 = 10,021.80 : x
  2. Step 2: Convert to fraction form
    17,979.73/24,812.07 = 10,021.80/x
  3. Step 3: Cross multiply
    17,979.73x = 24,812.07 × 10,021.80
  4. Step 4: Simplify right side
    17,979.73x = 248,661,603.13
  5. Step 5: Solve for x
    x = 248,661,603.13/17,979.73
  6. Step 6: Final answer
    x = 13,830.11

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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.