Home / 14,747.10-20,351.52-8,032.86

Finding the Fourth Proportional to 14,747.10, 20,351.52 and 8,032.86

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Solution

The fourth proportional to 14,747.10, 20,351.52 and 8,032.86 is: 11,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.10 : 20,351.52 = 8,032.86 : x
  2. Step 2: Convert to fraction form
    14,747.10/20,351.52 = 8,032.86/x
  3. Step 3: Cross multiply
    14,747.10x = 20,351.52 × 8,032.86
  4. Step 4: Simplify right side
    14,747.10x = 163,480,910.95
  5. Step 5: Solve for x
    x = 163,480,910.95/14,747.10
  6. Step 6: Final answer
    x = 11,085.63

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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.