Home / 16,512.42-22,787.13-9,438.99

Finding the Fourth Proportional to 16,512.42, 22,787.13 and 9,438.99

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Solution

The fourth proportional to 16,512.42, 22,787.13 and 9,438.99 is: 13,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.42 : 22,787.13 = 9,438.99 : x
  2. Step 2: Convert to fraction form
    16,512.42/22,787.13 = 9,438.99/x
  3. Step 3: Cross multiply
    16,512.42x = 22,787.13 × 9,438.99
  4. Step 4: Simplify right side
    16,512.42x = 215,087,492.20
  5. Step 5: Solve for x
    x = 215,087,492.20/16,512.42
  6. Step 6: Final answer
    x = 13,025.80

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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.