Home / 14,463.86-21,698.69-6,143.81

Finding the Fourth Proportional to 14,463.86, 21,698.69 and 6,143.81

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Solution

The fourth proportional to 14,463.86, 21,698.69 and 6,143.81 is: 9,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.86 : 21,698.69 = 6,143.81 : x
  2. Step 2: Convert to fraction form
    14,463.86/21,698.69 = 6,143.81/x
  3. Step 3: Cross multiply
    14,463.86x = 21,698.69 × 6,143.81
  4. Step 4: Simplify right side
    14,463.86x = 133,312,489.40
  5. Step 5: Solve for x
    x = 133,312,489.40/14,463.86
  6. Step 6: Final answer
    x = 9,216.94

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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.