Home / 19,516.50-26,925.42-12,805.83

Finding the Fourth Proportional to 19,516.50, 26,925.42 and 12,805.83

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Solution

The fourth proportional to 19,516.50, 26,925.42 and 12,805.83 is: 17,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.50 : 26,925.42 = 12,805.83 : x
  2. Step 2: Convert to fraction form
    19,516.50/26,925.42 = 12,805.83/x
  3. Step 3: Cross multiply
    19,516.50x = 26,925.42 × 12,805.83
  4. Step 4: Simplify right side
    19,516.50x = 344,802,351.20
  5. Step 5: Solve for x
    x = 344,802,351.20/19,516.50
  6. Step 6: Final answer
    x = 17,667.22

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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.