Home / 13,001.67-19,502.49-5,215.95

Finding the Fourth Proportional to 13,001.67, 19,502.49 and 5,215.95

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Solution

The fourth proportional to 13,001.67, 19,502.49 and 5,215.95 is: 7,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.67 : 19,502.49 = 5,215.95 : x
  2. Step 2: Convert to fraction form
    13,001.67/19,502.49 = 5,215.95/x
  3. Step 3: Cross multiply
    13,001.67x = 19,502.49 × 5,215.95
  4. Step 4: Simplify right side
    13,001.67x = 101,724,012.72
  5. Step 5: Solve for x
    x = 101,724,012.72/13,001.67
  6. Step 6: Final answer
    x = 7,823.92

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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.