Home / 19,211.68-26,516.24-12,133.60

Finding the Fourth Proportional to 19,211.68, 26,516.24 and 12,133.60

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Solution

The fourth proportional to 19,211.68, 26,516.24 and 12,133.60 is: 16,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.68 : 26,516.24 = 12,133.60 : x
  2. Step 2: Convert to fraction form
    19,211.68/26,516.24 = 12,133.60/x
  3. Step 3: Cross multiply
    19,211.68x = 26,516.24 × 12,133.60
  4. Step 4: Simplify right side
    19,211.68x = 321,737,449.66
  5. Step 5: Solve for x
    x = 321,737,449.66/19,211.68
  6. Step 6: Final answer
    x = 16,746.97

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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.