Home / 14,801.18-20,425.32-8,086.77

Finding the Fourth Proportional to 14,801.18, 20,425.32 and 8,086.77

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Solution

The fourth proportional to 14,801.18, 20,425.32 and 8,086.77 is: 11,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.18 : 20,425.32 = 8,086.77 : x
  2. Step 2: Convert to fraction form
    14,801.18/20,425.32 = 8,086.77/x
  3. Step 3: Cross multiply
    14,801.18x = 20,425.32 × 8,086.77
  4. Step 4: Simplify right side
    14,801.18x = 165,174,865.02
  5. Step 5: Solve for x
    x = 165,174,865.02/14,801.18
  6. Step 6: Final answer
    x = 11,159.58

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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.