Home / 16,930.50-23,363.46-9,376.68

Finding the Fourth Proportional to 16,930.50, 23,363.46 and 9,376.68

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Solution

The fourth proportional to 16,930.50, 23,363.46 and 9,376.68 is: 12,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.50 : 23,363.46 = 9,376.68 : x
  2. Step 2: Convert to fraction form
    16,930.50/23,363.46 = 9,376.68/x
  3. Step 3: Cross multiply
    16,930.50x = 23,363.46 × 9,376.68
  4. Step 4: Simplify right side
    16,930.50x = 219,071,688.11
  5. Step 5: Solve for x
    x = 219,071,688.11/16,930.50
  6. Step 6: Final answer
    x = 12,939.47

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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.