Home / 17,980.11-24,812.20-10,021.86

Finding the Fourth Proportional to 17,980.11, 24,812.20 and 10,021.86

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Solution

The fourth proportional to 17,980.11, 24,812.20 and 10,021.86 is: 13,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.11 : 24,812.20 = 10,021.86 : x
  2. Step 2: Convert to fraction form
    17,980.11/24,812.20 = 10,021.86/x
  3. Step 3: Cross multiply
    17,980.11x = 24,812.20 × 10,021.86
  4. Step 4: Simplify right side
    17,980.11x = 248,664,369.64
  5. Step 5: Solve for x
    x = 248,664,369.64/17,980.11
  6. Step 6: Final answer
    x = 13,829.97

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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.