Home / 23,188.64-34,752.20-12,631.58

Finding the Fourth Proportional to 23,188.64, 34,752.20 and 12,631.58

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Solution

The fourth proportional to 23,188.64, 34,752.20 and 12,631.58 is: 18,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.64 : 34,752.20 = 12,631.58 : x
  2. Step 2: Convert to fraction form
    23,188.64/34,752.20 = 12,631.58/x
  3. Step 3: Cross multiply
    23,188.64x = 34,752.20 × 12,631.58
  4. Step 4: Simplify right side
    23,188.64x = 438,975,194.48
  5. Step 5: Solve for x
    x = 438,975,194.48/23,188.64
  6. Step 6: Final answer
    x = 18,930.61

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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.