Home / 19,909.58-29,629.34-19,245.28

Finding the Fourth Proportional to 19,909.58, 29,629.34 and 19,245.28

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Solution

The fourth proportional to 19,909.58, 29,629.34 and 19,245.28 is: 28,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.58 : 29,629.34 = 19,245.28 : x
  2. Step 2: Convert to fraction form
    19,909.58/29,629.34 = 19,245.28/x
  3. Step 3: Cross multiply
    19,909.58x = 29,629.34 × 19,245.28
  4. Step 4: Simplify right side
    19,909.58x = 570,224,944.52
  5. Step 5: Solve for x
    x = 570,224,944.52/19,909.58
  6. Step 6: Final answer
    x = 28,640.73

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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.