Home / 14,078.74-19,325.15-12,449.68

Finding the Fourth Proportional to 14,078.74, 19,325.15 and 12,449.68

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Solution

The fourth proportional to 14,078.74, 19,325.15 and 12,449.68 is: 17,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.74 : 19,325.15 = 12,449.68 : x
  2. Step 2: Convert to fraction form
    14,078.74/19,325.15 = 12,449.68/x
  3. Step 3: Cross multiply
    14,078.74x = 19,325.15 × 12,449.68
  4. Step 4: Simplify right side
    14,078.74x = 240,591,774.58
  5. Step 5: Solve for x
    x = 240,591,774.58/14,078.74
  6. Step 6: Final answer
    x = 17,089.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.