Home / 13,098.72-19,630.55-6,425.01

Finding the Fourth Proportional to 13,098.72, 19,630.55 and 6,425.01

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Solution

The fourth proportional to 13,098.72, 19,630.55 and 6,425.01 is: 9,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.72 : 19,630.55 = 6,425.01 : x
  2. Step 2: Convert to fraction form
    13,098.72/19,630.55 = 6,425.01/x
  3. Step 3: Cross multiply
    13,098.72x = 19,630.55 × 6,425.01
  4. Step 4: Simplify right side
    13,098.72x = 126,126,480.06
  5. Step 5: Solve for x
    x = 126,126,480.06/13,098.72
  6. Step 6: Final answer
    x = 9,628.92

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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.