Home / 16,440.16-24,689.94-15,121.56

Finding the Fourth Proportional to 16,440.16, 24,689.94 and 15,121.56

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Solution

The fourth proportional to 16,440.16, 24,689.94 and 15,121.56 is: 22,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.16 : 24,689.94 = 15,121.56 : x
  2. Step 2: Convert to fraction form
    16,440.16/24,689.94 = 15,121.56/x
  3. Step 3: Cross multiply
    16,440.16x = 24,689.94 × 15,121.56
  4. Step 4: Simplify right side
    16,440.16x = 373,350,409.11
  5. Step 5: Solve for x
    x = 373,350,409.11/16,440.16
  6. Step 6: Final answer
    x = 22,709.66

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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.