Home / 18,250.81-25,186.05-10,292.99

Finding the Fourth Proportional to 18,250.81, 25,186.05 and 10,292.99

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Solution

The fourth proportional to 18,250.81, 25,186.05 and 10,292.99 is: 14,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.81 : 25,186.05 = 10,292.99 : x
  2. Step 2: Convert to fraction form
    18,250.81/25,186.05 = 10,292.99/x
  3. Step 3: Cross multiply
    18,250.81x = 25,186.05 × 10,292.99
  4. Step 4: Simplify right side
    18,250.81x = 259,239,634.86
  5. Step 5: Solve for x
    x = 259,239,634.86/18,250.81
  6. Step 6: Final answer
    x = 14,204.28

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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.