Home / 21,737.24-29,998.52-12,176.57

Finding the Fourth Proportional to 21,737.24, 29,998.52 and 12,176.57

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Solution

The fourth proportional to 21,737.24, 29,998.52 and 12,176.57 is: 16,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.24 : 29,998.52 = 12,176.57 : x
  2. Step 2: Convert to fraction form
    21,737.24/29,998.52 = 12,176.57/x
  3. Step 3: Cross multiply
    21,737.24x = 29,998.52 × 12,176.57
  4. Step 4: Simplify right side
    21,737.24x = 365,279,017.79
  5. Step 5: Solve for x
    x = 365,279,017.79/21,737.24
  6. Step 6: Final answer
    x = 16,804.30

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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.