Home / 14,068.62-21,100.50-4,707.72

Finding the Fourth Proportional to 14,068.62, 21,100.50 and 4,707.72

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Solution

The fourth proportional to 14,068.62, 21,100.50 and 4,707.72 is: 7,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.62 : 21,100.50 = 4,707.72 : x
  2. Step 2: Convert to fraction form
    14,068.62/21,100.50 = 4,707.72/x
  3. Step 3: Cross multiply
    14,068.62x = 21,100.50 × 4,707.72
  4. Step 4: Simplify right side
    14,068.62x = 99,335,245.86
  5. Step 5: Solve for x
    x = 99,335,245.86/14,068.62
  6. Step 6: Final answer
    x = 7,060.77

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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.