Home / 16,974.44-23,423.91-9,420.68

Finding the Fourth Proportional to 16,974.44, 23,423.91 and 9,420.68

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Solution

The fourth proportional to 16,974.44, 23,423.91 and 9,420.68 is: 13,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.44 : 23,423.91 = 9,420.68 : x
  2. Step 2: Convert to fraction form
    16,974.44/23,423.91 = 9,420.68/x
  3. Step 3: Cross multiply
    16,974.44x = 23,423.91 × 9,420.68
  4. Step 4: Simplify right side
    16,974.44x = 220,669,043.34
  5. Step 5: Solve for x
    x = 220,669,043.34/16,974.44
  6. Step 6: Final answer
    x = 13,000.08

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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.