Home / 14,272.66-21,411.05-4,412.71

Finding the Fourth Proportional to 14,272.66, 21,411.05 and 4,412.71

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Solution

The fourth proportional to 14,272.66, 21,411.05 and 4,412.71 is: 6,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.66 : 21,411.05 = 4,412.71 : x
  2. Step 2: Convert to fraction form
    14,272.66/21,411.05 = 4,412.71/x
  3. Step 3: Cross multiply
    14,272.66x = 21,411.05 × 4,412.71
  4. Step 4: Simplify right side
    14,272.66x = 94,480,759.15
  5. Step 5: Solve for x
    x = 94,480,759.15/14,272.66
  6. Step 6: Final answer
    x = 6,619.70

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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.