Home / 14,420.26-21,631.56-4,031.92

Finding the Fourth Proportional to 14,420.26, 21,631.56 and 4,031.92

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Solution

The fourth proportional to 14,420.26, 21,631.56 and 4,031.92 is: 6,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.26 : 21,631.56 = 4,031.92 : x
  2. Step 2: Convert to fraction form
    14,420.26/21,631.56 = 4,031.92/x
  3. Step 3: Cross multiply
    14,420.26x = 21,631.56 × 4,031.92
  4. Step 4: Simplify right side
    14,420.26x = 87,216,719.40
  5. Step 5: Solve for x
    x = 87,216,719.40/14,420.26
  6. Step 6: Final answer
    x = 6,048.21

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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.