Home / 16,938.35-23,374.41-9,384.99

Finding the Fourth Proportional to 16,938.35, 23,374.41 and 9,384.99

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Solution

The fourth proportional to 16,938.35, 23,374.41 and 9,384.99 is: 12,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.35 : 23,374.41 = 9,384.99 : x
  2. Step 2: Convert to fraction form
    16,938.35/23,374.41 = 9,384.99/x
  3. Step 3: Cross multiply
    16,938.35x = 23,374.41 × 9,384.99
  4. Step 4: Simplify right side
    16,938.35x = 219,368,604.11
  5. Step 5: Solve for x
    x = 219,368,604.11/16,938.35
  6. Step 6: Final answer
    x = 12,951.01

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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.