Home / 16,977.85-23,429.31-9,423.92

Finding the Fourth Proportional to 16,977.85, 23,429.31 and 9,423.92

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Solution

The fourth proportional to 16,977.85, 23,429.31 and 9,423.92 is: 13,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.85 : 23,429.31 = 9,423.92 : x
  2. Step 2: Convert to fraction form
    16,977.85/23,429.31 = 9,423.92/x
  3. Step 3: Cross multiply
    16,977.85x = 23,429.31 × 9,423.92
  4. Step 4: Simplify right side
    16,977.85x = 220,795,943.10
  5. Step 5: Solve for x
    x = 220,795,943.10/16,977.85
  6. Step 6: Final answer
    x = 13,004.94

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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.