Home / 25,419.60-35,078.13-14,089.59

Finding the Fourth Proportional to 25,419.60, 35,078.13 and 14,089.59

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Solution

The fourth proportional to 25,419.60, 35,078.13 and 14,089.59 is: 19,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.60 : 35,078.13 = 14,089.59 : x
  2. Step 2: Convert to fraction form
    25,419.60/35,078.13 = 14,089.59/x
  3. Step 3: Cross multiply
    25,419.60x = 35,078.13 × 14,089.59
  4. Step 4: Simplify right side
    25,419.60x = 494,236,469.67
  5. Step 5: Solve for x
    x = 494,236,469.67/25,419.60
  6. Step 6: Final answer
    x = 19,443.13

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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.