Home / 16,151.86-22,379.53-15,801.94

Finding the Fourth Proportional to 16,151.86, 22,379.53 and 15,801.94

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Solution

The fourth proportional to 16,151.86, 22,379.53 and 15,801.94 is: 21,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,151.86 : 22,379.53 = 15,801.94 : x
  2. Step 2: Convert to fraction form
    16,151.86/22,379.53 = 15,801.94/x
  3. Step 3: Cross multiply
    16,151.86x = 22,379.53 × 15,801.94
  4. Step 4: Simplify right side
    16,151.86x = 353,639,990.29
  5. Step 5: Solve for x
    x = 353,639,990.29/16,151.86
  6. Step 6: Final answer
    x = 21,894.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.