Home / 15,946.65-23,920.27-6,939.86

Finding the Fourth Proportional to 15,946.65, 23,920.27 and 6,939.86

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Solution

The fourth proportional to 15,946.65, 23,920.27 and 6,939.86 is: 10,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.65 : 23,920.27 = 6,939.86 : x
  2. Step 2: Convert to fraction form
    15,946.65/23,920.27 = 6,939.86/x
  3. Step 3: Cross multiply
    15,946.65x = 23,920.27 × 6,939.86
  4. Step 4: Simplify right side
    15,946.65x = 166,003,188.01
  5. Step 5: Solve for x
    x = 166,003,188.01/15,946.65
  6. Step 6: Final answer
    x = 10,409.91

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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.