Home / 18,208.34-25,127.15-10,250.39

Finding the Fourth Proportional to 18,208.34, 25,127.15 and 10,250.39

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Solution

The fourth proportional to 18,208.34, 25,127.15 and 10,250.39 is: 14,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.34 : 25,127.15 = 10,250.39 : x
  2. Step 2: Convert to fraction form
    18,208.34/25,127.15 = 10,250.39/x
  3. Step 3: Cross multiply
    18,208.34x = 25,127.15 × 10,250.39
  4. Step 4: Simplify right side
    18,208.34x = 257,563,087.09
  5. Step 5: Solve for x
    x = 257,563,087.09/18,208.34
  6. Step 6: Final answer
    x = 14,145.34

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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.