Home / 15,348.03-21,181.17-10,234.70

Finding the Fourth Proportional to 15,348.03, 21,181.17 and 10,234.70

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Solution

The fourth proportional to 15,348.03, 21,181.17 and 10,234.70 is: 14,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.03 : 21,181.17 = 10,234.70 : x
  2. Step 2: Convert to fraction form
    15,348.03/21,181.17 = 10,234.70/x
  3. Step 3: Cross multiply
    15,348.03x = 21,181.17 × 10,234.70
  4. Step 4: Simplify right side
    15,348.03x = 216,783,022.86
  5. Step 5: Solve for x
    x = 216,783,022.86/15,348.03
  6. Step 6: Final answer
    x = 14,124.48

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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.