Home / 18,208.05-25,127.61-10,250.56

Finding the Fourth Proportional to 18,208.05, 25,127.61 and 10,250.56

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Solution

The fourth proportional to 18,208.05, 25,127.61 and 10,250.56 is: 14,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.05 : 25,127.61 = 10,250.56 : x
  2. Step 2: Convert to fraction form
    18,208.05/25,127.61 = 10,250.56/x
  3. Step 3: Cross multiply
    18,208.05x = 25,127.61 × 10,250.56
  4. Step 4: Simplify right side
    18,208.05x = 257,572,073.96
  5. Step 5: Solve for x
    x = 257,572,073.96/18,208.05
  6. Step 6: Final answer
    x = 14,146.05

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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.