Home / 16,787.85-23,166.53-9,233.70

Finding the Fourth Proportional to 16,787.85, 23,166.53 and 9,233.70

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Solution

The fourth proportional to 16,787.85, 23,166.53 and 9,233.70 is: 12,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.85 : 23,166.53 = 9,233.70 : x
  2. Step 2: Convert to fraction form
    16,787.85/23,166.53 = 9,233.70/x
  3. Step 3: Cross multiply
    16,787.85x = 23,166.53 × 9,233.70
  4. Step 4: Simplify right side
    16,787.85x = 213,912,741.89
  5. Step 5: Solve for x
    x = 213,912,741.89/16,787.85
  6. Step 6: Final answer
    x = 12,742.12

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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.