Home / 23,038.20-31,793.85-12,966.12

Finding the Fourth Proportional to 23,038.20, 31,793.85 and 12,966.12

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Solution

The fourth proportional to 23,038.20, 31,793.85 and 12,966.12 is: 17,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.20 : 31,793.85 = 12,966.12 : x
  2. Step 2: Convert to fraction form
    23,038.20/31,793.85 = 12,966.12/x
  3. Step 3: Cross multiply
    23,038.20x = 31,793.85 × 12,966.12
  4. Step 4: Simplify right side
    23,038.20x = 412,242,874.36
  5. Step 5: Solve for x
    x = 412,242,874.36/23,038.20
  6. Step 6: Final answer
    x = 17,893.88

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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.