Home / 18,213.54-25,134.60-10,255.83

Finding the Fourth Proportional to 18,213.54, 25,134.60 and 10,255.83

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Solution

The fourth proportional to 18,213.54, 25,134.60 and 10,255.83 is: 14,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.54 : 25,134.60 = 10,255.83 : x
  2. Step 2: Convert to fraction form
    18,213.54/25,134.60 = 10,255.83/x
  3. Step 3: Cross multiply
    18,213.54x = 25,134.60 × 10,255.83
  4. Step 4: Simplify right side
    18,213.54x = 257,776,184.72
  5. Step 5: Solve for x
    x = 257,776,184.72/18,213.54
  6. Step 6: Final answer
    x = 14,153.00

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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.