Home / 25,419.22-35,078.60-14,089.21

Finding the Fourth Proportional to 25,419.22, 35,078.60 and 14,089.21

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Solution

The fourth proportional to 25,419.22, 35,078.60 and 14,089.21 is: 19,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.22 : 35,078.60 = 14,089.21 : x
  2. Step 2: Convert to fraction form
    25,419.22/35,078.60 = 14,089.21/x
  3. Step 3: Cross multiply
    25,419.22x = 35,078.60 × 14,089.21
  4. Step 4: Simplify right side
    25,419.22x = 494,229,709.43
  5. Step 5: Solve for x
    x = 494,229,709.43/25,419.22
  6. Step 6: Final answer
    x = 19,443.15

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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.