Home / 14,031.75-21,031.48-6,132.41

Finding the Fourth Proportional to 14,031.75, 21,031.48 and 6,132.41

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Solution

The fourth proportional to 14,031.75, 21,031.48 and 6,132.41 is: 9,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.75 : 21,031.48 = 6,132.41 : x
  2. Step 2: Convert to fraction form
    14,031.75/21,031.48 = 6,132.41/x
  3. Step 3: Cross multiply
    14,031.75x = 21,031.48 × 6,132.41
  4. Step 4: Simplify right side
    14,031.75x = 128,973,639.64
  5. Step 5: Solve for x
    x = 128,973,639.64/14,031.75
  6. Step 6: Final answer
    x = 9,191.56

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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.