Home / 18,178.70-25,086.30-10,222.52

Finding the Fourth Proportional to 18,178.70, 25,086.30 and 10,222.52

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Solution

The fourth proportional to 18,178.70, 25,086.30 and 10,222.52 is: 14,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.70 : 25,086.30 = 10,222.52 : x
  2. Step 2: Convert to fraction form
    18,178.70/25,086.30 = 10,222.52/x
  3. Step 3: Cross multiply
    18,178.70x = 25,086.30 × 10,222.52
  4. Step 4: Simplify right side
    18,178.70x = 256,445,203.48
  5. Step 5: Solve for x
    x = 256,445,203.48/18,178.70
  6. Step 6: Final answer
    x = 14,106.91

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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.