Home / 19,649.28-29,295.20-17,433.12

Finding the Fourth Proportional to 19,649.28, 29,295.20 and 17,433.12

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Solution

The fourth proportional to 19,649.28, 29,295.20 and 17,433.12 is: 25,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.28 : 29,295.20 = 17,433.12 : x
  2. Step 2: Convert to fraction form
    19,649.28/29,295.20 = 17,433.12/x
  3. Step 3: Cross multiply
    19,649.28x = 29,295.20 × 17,433.12
  4. Step 4: Simplify right side
    19,649.28x = 510,706,737.02
  5. Step 5: Solve for x
    x = 510,706,737.02/19,649.28
  6. Step 6: Final answer
    x = 25,991.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.