Home / 14,433.28-21,649.92-3,903.28

Finding the Fourth Proportional to 14,433.28, 21,649.92 and 3,903.28

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Solution

The fourth proportional to 14,433.28, 21,649.92 and 3,903.28 is: 5,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.28 : 21,649.92 = 3,903.28 : x
  2. Step 2: Convert to fraction form
    14,433.28/21,649.92 = 3,903.28/x
  3. Step 3: Cross multiply
    14,433.28x = 21,649.92 × 3,903.28
  4. Step 4: Simplify right side
    14,433.28x = 84,505,699.74
  5. Step 5: Solve for x
    x = 84,505,699.74/14,433.28
  6. Step 6: Final answer
    x = 5,854.92

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1.5x scale

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.