Home / 16,975.24-23,425.20-9,421.90

Finding the Fourth Proportional to 16,975.24, 23,425.20 and 9,421.90

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Solution

The fourth proportional to 16,975.24, 23,425.20 and 9,421.90 is: 13,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.24 : 23,425.20 = 9,421.90 : x
  2. Step 2: Convert to fraction form
    16,975.24/23,425.20 = 9,421.90/x
  3. Step 3: Cross multiply
    16,975.24x = 23,425.20 × 9,421.90
  4. Step 4: Simplify right side
    16,975.24x = 220,709,891.88
  5. Step 5: Solve for x
    x = 220,709,891.88/16,975.24
  6. Step 6: Final answer
    x = 13,001.87

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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.