Home / 16,976.89-23,428.11-9,423.22

Finding the Fourth Proportional to 16,976.89, 23,428.11 and 9,423.22

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Solution

The fourth proportional to 16,976.89, 23,428.11 and 9,423.22 is: 13,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.89 : 23,428.11 = 9,423.22 : x
  2. Step 2: Convert to fraction form
    16,976.89/23,428.11 = 9,423.22/x
  3. Step 3: Cross multiply
    16,976.89x = 23,428.11 × 9,423.22
  4. Step 4: Simplify right side
    16,976.89x = 220,768,234.71
  5. Step 5: Solve for x
    x = 220,768,234.71/16,976.89
  6. Step 6: Final answer
    x = 13,004.04

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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.