Home / 15,562.09-23,352.71-8,171.86

Finding the Fourth Proportional to 15,562.09, 23,352.71 and 8,171.86

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Solution

The fourth proportional to 15,562.09, 23,352.71 and 8,171.86 is: 12,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.09 : 23,352.71 = 8,171.86 : x
  2. Step 2: Convert to fraction form
    15,562.09/23,352.71 = 8,171.86/x
  3. Step 3: Cross multiply
    15,562.09x = 23,352.71 × 8,171.86
  4. Step 4: Simplify right side
    15,562.09x = 190,835,076.74
  5. Step 5: Solve for x
    x = 190,835,076.74/15,562.09
  6. Step 6: Final answer
    x = 12,262.82

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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.