Home / 19,949.64-29,928.04-8,263.76

Finding the Fourth Proportional to 19,949.64, 29,928.04 and 8,263.76

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Solution

The fourth proportional to 19,949.64, 29,928.04 and 8,263.76 is: 12,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.64 : 29,928.04 = 8,263.76 : x
  2. Step 2: Convert to fraction form
    19,949.64/29,928.04 = 8,263.76/x
  3. Step 3: Cross multiply
    19,949.64x = 29,928.04 × 8,263.76
  4. Step 4: Simplify right side
    19,949.64x = 247,318,139.83
  5. Step 5: Solve for x
    x = 247,318,139.83/19,949.64
  6. Step 6: Final answer
    x = 12,397.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.