Home / 14,655.16-21,984.56-4,791.79

Finding the Fourth Proportional to 14,655.16, 21,984.56 and 4,791.79

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Solution

The fourth proportional to 14,655.16, 21,984.56 and 4,791.79 is: 7,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.16 : 21,984.56 = 4,791.79 : x
  2. Step 2: Convert to fraction form
    14,655.16/21,984.56 = 4,791.79/x
  3. Step 3: Cross multiply
    14,655.16x = 21,984.56 × 4,791.79
  4. Step 4: Simplify right side
    14,655.16x = 105,345,394.76
  5. Step 5: Solve for x
    x = 105,345,394.76/14,655.16
  6. Step 6: Final answer
    x = 7,188.28

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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.