Home / 14,112-21,167.33-3,582.32

Finding the Fourth Proportional to 14,112, 21,167.33 and 3,582.32

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Solution

The fourth proportional to 14,112, 21,167.33 and 3,582.32 is: 5,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112 : 21,167.33 = 3,582.32 : x
  2. Step 2: Convert to fraction form
    14,112/21,167.33 = 3,582.32/x
  3. Step 3: Cross multiply
    14,112x = 21,167.33 × 3,582.32
  4. Step 4: Simplify right side
    14,112x = 75,828,025.86
  5. Step 5: Solve for x
    x = 75,828,025.86/14,112
  6. Step 6: Final answer
    x = 5,373.30

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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.