Home / 16,976.84-23,428.28-9,423.66

Finding the Fourth Proportional to 16,976.84, 23,428.28 and 9,423.66

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Solution

The fourth proportional to 16,976.84, 23,428.28 and 9,423.66 is: 13,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.84 : 23,428.28 = 9,423.66 : x
  2. Step 2: Convert to fraction form
    16,976.84/23,428.28 = 9,423.66/x
  3. Step 3: Cross multiply
    16,976.84x = 23,428.28 × 9,423.66
  4. Step 4: Simplify right side
    16,976.84x = 220,780,145.10
  5. Step 5: Solve for x
    x = 220,780,145.10/16,976.84
  6. Step 6: Final answer
    x = 13,004.78

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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.