Home / 16,977.09-23,427.30-9,423.43

Finding the Fourth Proportional to 16,977.09, 23,427.30 and 9,423.43

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Solution

The fourth proportional to 16,977.09, 23,427.30 and 9,423.43 is: 13,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.09 : 23,427.30 = 9,423.43 : x
  2. Step 2: Convert to fraction form
    16,977.09/23,427.30 = 9,423.43/x
  3. Step 3: Cross multiply
    16,977.09x = 23,427.30 × 9,423.43
  4. Step 4: Simplify right side
    16,977.09x = 220,765,521.64
  5. Step 5: Solve for x
    x = 220,765,521.64/16,977.09
  6. Step 6: Final answer
    x = 13,003.73

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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.