Home / 20,256.81-30,333.24-14,008.20

Finding the Fourth Proportional to 20,256.81, 30,333.24 and 14,008.20

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Solution

The fourth proportional to 20,256.81, 30,333.24 and 14,008.20 is: 20,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.81 : 30,333.24 = 14,008.20 : x
  2. Step 2: Convert to fraction form
    20,256.81/30,333.24 = 14,008.20/x
  3. Step 3: Cross multiply
    20,256.81x = 30,333.24 × 14,008.20
  4. Step 4: Simplify right side
    20,256.81x = 424,914,092.57
  5. Step 5: Solve for x
    x = 424,914,092.57/20,256.81
  6. Step 6: Final answer
    x = 20,976.36

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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.