Home / 17,979.62-24,810.85-10,021.57

Finding the Fourth Proportional to 17,979.62, 24,810.85 and 10,021.57

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Solution

The fourth proportional to 17,979.62, 24,810.85 and 10,021.57 is: 13,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.62 : 24,810.85 = 10,021.57 : x
  2. Step 2: Convert to fraction form
    17,979.62/24,810.85 = 10,021.57/x
  3. Step 3: Cross multiply
    17,979.62x = 24,810.85 × 10,021.57
  4. Step 4: Simplify right side
    17,979.62x = 248,643,644.98
  5. Step 5: Solve for x
    x = 248,643,644.98/17,979.62
  6. Step 6: Final answer
    x = 13,829.20

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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.