Home / 21,545.38-32,293.68-10,985.77

Finding the Fourth Proportional to 21,545.38, 32,293.68 and 10,985.77

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Solution

The fourth proportional to 21,545.38, 32,293.68 and 10,985.77 is: 16,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.38 : 32,293.68 = 10,985.77 : x
  2. Step 2: Convert to fraction form
    21,545.38/32,293.68 = 10,985.77/x
  3. Step 3: Cross multiply
    21,545.38x = 32,293.68 × 10,985.77
  4. Step 4: Simplify right side
    21,545.38x = 354,770,940.93
  5. Step 5: Solve for x
    x = 354,770,940.93/21,545.38
  6. Step 6: Final answer
    x = 16,466.22

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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.