Home / 23,113.10-34,648.54-8,318.64

Finding the Fourth Proportional to 23,113.10, 34,648.54 and 8,318.64

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Solution

The fourth proportional to 23,113.10, 34,648.54 and 8,318.64 is: 12,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.10 : 34,648.54 = 8,318.64 : x
  2. Step 2: Convert to fraction form
    23,113.10/34,648.54 = 8,318.64/x
  3. Step 3: Cross multiply
    23,113.10x = 34,648.54 × 8,318.64
  4. Step 4: Simplify right side
    23,113.10x = 288,228,730.79
  5. Step 5: Solve for x
    x = 288,228,730.79/23,113.10
  6. Step 6: Final answer
    x = 12,470.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.