Home / 12,723.14-19,069-9,225.15

Finding the Fourth Proportional to 12,723.14, 19,069 and 9,225.15

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Solution

The fourth proportional to 12,723.14, 19,069 and 9,225.15 is: 13,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.14 : 19,069 = 9,225.15 : x
  2. Step 2: Convert to fraction form
    12,723.14/19,069 = 9,225.15/x
  3. Step 3: Cross multiply
    12,723.14x = 19,069 × 9,225.15
  4. Step 4: Simplify right side
    12,723.14x = 175,914,385.35
  5. Step 5: Solve for x
    x = 175,914,385.35/12,723.14
  6. Step 6: Final answer
    x = 13,826.33

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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.