Home / 14,031.75-19,364.09-7,743.99

Finding the Fourth Proportional to 14,031.75, 19,364.09 and 7,743.99

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Solution

The fourth proportional to 14,031.75, 19,364.09 and 7,743.99 is: 10,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.75 : 19,364.09 = 7,743.99 : x
  2. Step 2: Convert to fraction form
    14,031.75/19,364.09 = 7,743.99/x
  3. Step 3: Cross multiply
    14,031.75x = 19,364.09 × 7,743.99
  4. Step 4: Simplify right side
    14,031.75x = 149,955,280.60
  5. Step 5: Solve for x
    x = 149,955,280.60/14,031.75
  6. Step 6: Final answer
    x = 10,686.86

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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.