Home / 14,530.74-20,051.55-8,156.85

Finding the Fourth Proportional to 14,530.74, 20,051.55 and 8,156.85

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Solution

The fourth proportional to 14,530.74, 20,051.55 and 8,156.85 is: 11,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.74 : 20,051.55 = 8,156.85 : x
  2. Step 2: Convert to fraction form
    14,530.74/20,051.55 = 8,156.85/x
  3. Step 3: Cross multiply
    14,530.74x = 20,051.55 × 8,156.85
  4. Step 4: Simplify right side
    14,530.74x = 163,557,485.62
  5. Step 5: Solve for x
    x = 163,557,485.62/14,530.74
  6. Step 6: Final answer
    x = 11,255.96

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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.