Home / 18,192.72-25,103.95-10,234.81

Finding the Fourth Proportional to 18,192.72, 25,103.95 and 10,234.81

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Solution

The fourth proportional to 18,192.72, 25,103.95 and 10,234.81 is: 14,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.72 : 25,103.95 = 10,234.81 : x
  2. Step 2: Convert to fraction form
    18,192.72/25,103.95 = 10,234.81/x
  3. Step 3: Cross multiply
    18,192.72x = 25,103.95 × 10,234.81
  4. Step 4: Simplify right side
    18,192.72x = 256,934,070.15
  5. Step 5: Solve for x
    x = 256,934,070.15/18,192.72
  6. Step 6: Final answer
    x = 14,122.91

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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.