Home / 14,529.84-20,046.42-8,155.50

Finding the Fourth Proportional to 14,529.84, 20,046.42 and 8,155.50

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Solution

The fourth proportional to 14,529.84, 20,046.42 and 8,155.50 is: 11,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.84 : 20,046.42 = 8,155.50 : x
  2. Step 2: Convert to fraction form
    14,529.84/20,046.42 = 8,155.50/x
  3. Step 3: Cross multiply
    14,529.84x = 20,046.42 × 8,155.50
  4. Step 4: Simplify right side
    14,529.84x = 163,488,578.31
  5. Step 5: Solve for x
    x = 163,488,578.31/14,529.84
  6. Step 6: Final answer
    x = 11,251.92

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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.