Home / 14,152.86-21,229.08-4,790.88

Finding the Fourth Proportional to 14,152.86, 21,229.08 and 4,790.88

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Solution

The fourth proportional to 14,152.86, 21,229.08 and 4,790.88 is: 7,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.86 : 21,229.08 = 4,790.88 : x
  2. Step 2: Convert to fraction form
    14,152.86/21,229.08 = 4,790.88/x
  3. Step 3: Cross multiply
    14,152.86x = 21,229.08 × 4,790.88
  4. Step 4: Simplify right side
    14,152.86x = 101,705,974.79
  5. Step 5: Solve for x
    x = 101,705,974.79/14,152.86
  6. Step 6: Final answer
    x = 7,186.25

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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.