Home / 18,516.42-25,545.51-12,848.33

Finding the Fourth Proportional to 18,516.42, 25,545.51 and 12,848.33

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Solution

The fourth proportional to 18,516.42, 25,545.51 and 12,848.33 is: 17,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.42 : 25,545.51 = 12,848.33 : x
  2. Step 2: Convert to fraction form
    18,516.42/25,545.51 = 12,848.33/x
  3. Step 3: Cross multiply
    18,516.42x = 25,545.51 × 12,848.33
  4. Step 4: Simplify right side
    18,516.42x = 328,217,014.77
  5. Step 5: Solve for x
    x = 328,217,014.77/18,516.42
  6. Step 6: Final answer
    x = 17,725.73

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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.