Home / 15,224.91-20,986.56-14,002.98

Finding the Fourth Proportional to 15,224.91, 20,986.56 and 14,002.98

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Solution

The fourth proportional to 15,224.91, 20,986.56 and 14,002.98 is: 19,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.91 : 20,986.56 = 14,002.98 : x
  2. Step 2: Convert to fraction form
    15,224.91/20,986.56 = 14,002.98/x
  3. Step 3: Cross multiply
    15,224.91x = 20,986.56 × 14,002.98
  4. Step 4: Simplify right side
    15,224.91x = 293,874,379.95
  5. Step 5: Solve for x
    x = 293,874,379.95/15,224.91
  6. Step 6: Final answer
    x = 19,302.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.