Home / 21,229.56-29,269.26-14,150.52

Finding the Fourth Proportional to 21,229.56, 29,269.26 and 14,150.52

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Solution

The fourth proportional to 21,229.56, 29,269.26 and 14,150.52 is: 19,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.56 : 29,269.26 = 14,150.52 : x
  2. Step 2: Convert to fraction form
    21,229.56/29,269.26 = 14,150.52/x
  3. Step 3: Cross multiply
    21,229.56x = 29,269.26 × 14,150.52
  4. Step 4: Simplify right side
    21,229.56x = 414,175,249.02
  5. Step 5: Solve for x
    x = 414,175,249.02/21,229.56
  6. Step 6: Final answer
    x = 19,509.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.