Home / 17,979.21-24,812.16-10,021.49

Finding the Fourth Proportional to 17,979.21, 24,812.16 and 10,021.49

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Solution

The fourth proportional to 17,979.21, 24,812.16 and 10,021.49 is: 13,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.21 : 24,812.16 = 10,021.49 : x
  2. Step 2: Convert to fraction form
    17,979.21/24,812.16 = 10,021.49/x
  3. Step 3: Cross multiply
    17,979.21x = 24,812.16 × 10,021.49
  4. Step 4: Simplify right side
    17,979.21x = 248,654,813.32
  5. Step 5: Solve for x
    x = 248,654,813.32/17,979.21
  6. Step 6: Final answer
    x = 13,830.13

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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.