Home / 16,939.74-23,374.46-9,384.18

Finding the Fourth Proportional to 16,939.74, 23,374.46 and 9,384.18

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Solution

The fourth proportional to 16,939.74, 23,374.46 and 9,384.18 is: 12,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.74 : 23,374.46 = 9,384.18 : x
  2. Step 2: Convert to fraction form
    16,939.74/23,374.46 = 9,384.18/x
  3. Step 3: Cross multiply
    16,939.74x = 23,374.46 × 9,384.18
  4. Step 4: Simplify right side
    16,939.74x = 219,350,140.04
  5. Step 5: Solve for x
    x = 219,350,140.04/16,939.74
  6. Step 6: Final answer
    x = 12,948.85

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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.