Home / 19,444.10-29,160.24-5,400.74

Finding the Fourth Proportional to 19,444.10, 29,160.24 and 5,400.74

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Solution

The fourth proportional to 19,444.10, 29,160.24 and 5,400.74 is: 8,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.10 : 29,160.24 = 5,400.74 : x
  2. Step 2: Convert to fraction form
    19,444.10/29,160.24 = 5,400.74/x
  3. Step 3: Cross multiply
    19,444.10x = 29,160.24 × 5,400.74
  4. Step 4: Simplify right side
    19,444.10x = 157,486,874.58
  5. Step 5: Solve for x
    x = 157,486,874.58/19,444.10
  6. Step 6: Final answer
    x = 8,099.47

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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.