Home / 18,770.08-25,902.30-10,272.17

Finding the Fourth Proportional to 18,770.08, 25,902.30 and 10,272.17

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Solution

The fourth proportional to 18,770.08, 25,902.30 and 10,272.17 is: 14,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.08 : 25,902.30 = 10,272.17 : x
  2. Step 2: Convert to fraction form
    18,770.08/25,902.30 = 10,272.17/x
  3. Step 3: Cross multiply
    18,770.08x = 25,902.30 × 10,272.17
  4. Step 4: Simplify right side
    18,770.08x = 266,072,828.99
  5. Step 5: Solve for x
    x = 266,072,828.99/18,770.08
  6. Step 6: Final answer
    x = 14,175.37

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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.