Home / 14,949.55-20,630.52-8,235.42

Finding the Fourth Proportional to 14,949.55, 20,630.52 and 8,235.42

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Solution

The fourth proportional to 14,949.55, 20,630.52 and 8,235.42 is: 11,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.55 : 20,630.52 = 8,235.42 : x
  2. Step 2: Convert to fraction form
    14,949.55/20,630.52 = 8,235.42/x
  3. Step 3: Cross multiply
    14,949.55x = 20,630.52 × 8,235.42
  4. Step 4: Simplify right side
    14,949.55x = 169,900,893.87
  5. Step 5: Solve for x
    x = 169,900,893.87/14,949.55
  6. Step 6: Final answer
    x = 11,364.95

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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.