Home / 14,670.60-21,996.17-5,309.40

Finding the Fourth Proportional to 14,670.60, 21,996.17 and 5,309.40

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Solution

The fourth proportional to 14,670.60, 21,996.17 and 5,309.40 is: 7,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.60 : 21,996.17 = 5,309.40 : x
  2. Step 2: Convert to fraction form
    14,670.60/21,996.17 = 5,309.40/x
  3. Step 3: Cross multiply
    14,670.60x = 21,996.17 × 5,309.40
  4. Step 4: Simplify right side
    14,670.60x = 116,786,465.00
  5. Step 5: Solve for x
    x = 116,786,465.00/14,670.60
  6. Step 6: Final answer
    x = 7,960.58

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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.