Home / 14,346.64-21,520.04-6,550

Finding the Fourth Proportional to 14,346.64, 21,520.04 and 6,550

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Solution

The fourth proportional to 14,346.64, 21,520.04 and 6,550 is: 9,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.64 : 21,520.04 = 6,550 : x
  2. Step 2: Convert to fraction form
    14,346.64/21,520.04 = 6,550/x
  3. Step 3: Cross multiply
    14,346.64x = 21,520.04 × 6,550
  4. Step 4: Simplify right side
    14,346.64x = 140,956,262
  5. Step 5: Solve for x
    x = 140,956,262/14,346.64
  6. Step 6: Final answer
    x = 9,825.04

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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.