Home / 14,154.58-21,231.92-4,293.94

Finding the Fourth Proportional to 14,154.58, 21,231.92 and 4,293.94

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Solution

The fourth proportional to 14,154.58, 21,231.92 and 4,293.94 is: 6,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.58 : 21,231.92 = 4,293.94 : x
  2. Step 2: Convert to fraction form
    14,154.58/21,231.92 = 4,293.94/x
  3. Step 3: Cross multiply
    14,154.58x = 21,231.92 × 4,293.94
  4. Step 4: Simplify right side
    14,154.58x = 91,168,569.10
  5. Step 5: Solve for x
    x = 91,168,569.10/14,154.58
  6. Step 6: Final answer
    x = 6,440.93

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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.