Home / 19,520.88-29,269.26-9,505.68

Finding the Fourth Proportional to 19,520.88, 29,269.26 and 9,505.68

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Solution

The fourth proportional to 19,520.88, 29,269.26 and 9,505.68 is: 14,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.88 : 29,269.26 = 9,505.68 : x
  2. Step 2: Convert to fraction form
    19,520.88/29,269.26 = 9,505.68/x
  3. Step 3: Cross multiply
    19,520.88x = 29,269.26 × 9,505.68
  4. Step 4: Simplify right side
    19,520.88x = 278,224,219.40
  5. Step 5: Solve for x
    x = 278,224,219.40/19,520.88
  6. Step 6: Final answer
    x = 14,252.65

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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.