Home / 18,166.34-25,069.68-10,208.36

Finding the Fourth Proportional to 18,166.34, 25,069.68 and 10,208.36

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Solution

The fourth proportional to 18,166.34, 25,069.68 and 10,208.36 is: 14,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.34 : 25,069.68 = 10,208.36 : x
  2. Step 2: Convert to fraction form
    18,166.34/25,069.68 = 10,208.36/x
  3. Step 3: Cross multiply
    18,166.34x = 25,069.68 × 10,208.36
  4. Step 4: Simplify right side
    18,166.34x = 255,920,318.52
  5. Step 5: Solve for x
    x = 255,920,318.52/18,166.34
  6. Step 6: Final answer
    x = 14,087.61

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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.