Home / 14,087.22-19,454.88-12,189.69

Finding the Fourth Proportional to 14,087.22, 19,454.88 and 12,189.69

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Solution

The fourth proportional to 14,087.22, 19,454.88 and 12,189.69 is: 16,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.22 : 19,454.88 = 12,189.69 : x
  2. Step 2: Convert to fraction form
    14,087.22/19,454.88 = 12,189.69/x
  3. Step 3: Cross multiply
    14,087.22x = 19,454.88 × 12,189.69
  4. Step 4: Simplify right side
    14,087.22x = 237,149,001.90
  5. Step 5: Solve for x
    x = 237,149,001.90/14,087.22
  6. Step 6: Final answer
    x = 16,834.34

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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.