Home / 19,516.61-29,253.96-8,428.52

Finding the Fourth Proportional to 19,516.61, 29,253.96 and 8,428.52

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Solution

The fourth proportional to 19,516.61, 29,253.96 and 8,428.52 is: 12,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.61 : 29,253.96 = 8,428.52 : x
  2. Step 2: Convert to fraction form
    19,516.61/29,253.96 = 8,428.52/x
  3. Step 3: Cross multiply
    19,516.61x = 29,253.96 × 8,428.52
  4. Step 4: Simplify right side
    19,516.61x = 246,567,660.07
  5. Step 5: Solve for x
    x = 246,567,660.07/19,516.61
  6. Step 6: Final answer
    x = 12,633.73

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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.