Home / 19,449.56-29,176.42-5,409.63

Finding the Fourth Proportional to 19,449.56, 29,176.42 and 5,409.63

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Solution

The fourth proportional to 19,449.56, 29,176.42 and 5,409.63 is: 8,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.56 : 29,176.42 = 5,409.63 : x
  2. Step 2: Convert to fraction form
    19,449.56/29,176.42 = 5,409.63/x
  3. Step 3: Cross multiply
    19,449.56x = 29,176.42 × 5,409.63
  4. Step 4: Simplify right side
    19,449.56x = 157,833,551.48
  5. Step 5: Solve for x
    x = 157,833,551.48/19,449.56
  6. Step 6: Final answer
    x = 8,115.02

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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.