Home / 17,379.64-23,983.68-9,421.84

Finding the Fourth Proportional to 17,379.64, 23,983.68 and 9,421.84

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Solution

The fourth proportional to 17,379.64, 23,983.68 and 9,421.84 is: 13,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.64 : 23,983.68 = 9,421.84 : x
  2. Step 2: Convert to fraction form
    17,379.64/23,983.68 = 9,421.84/x
  3. Step 3: Cross multiply
    17,379.64x = 23,983.68 × 9,421.84
  4. Step 4: Simplify right side
    17,379.64x = 225,970,395.57
  5. Step 5: Solve for x
    x = 225,970,395.57/17,379.64
  6. Step 6: Final answer
    x = 13,002.02

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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.