Home / 16,974.99-23,426.03-9,421.88

Finding the Fourth Proportional to 16,974.99, 23,426.03 and 9,421.88

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Solution

The fourth proportional to 16,974.99, 23,426.03 and 9,421.88 is: 13,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.99 : 23,426.03 = 9,421.88 : x
  2. Step 2: Convert to fraction form
    16,974.99/23,426.03 = 9,421.88/x
  3. Step 3: Cross multiply
    16,974.99x = 23,426.03 × 9,421.88
  4. Step 4: Simplify right side
    16,974.99x = 220,717,149.96
  5. Step 5: Solve for x
    x = 220,717,149.96/16,974.99
  6. Step 6: Final answer
    x = 13,002.49

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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.