Home / 18,492.04-25,519.20-10,108.54

Finding the Fourth Proportional to 18,492.04, 25,519.20 and 10,108.54

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Solution

The fourth proportional to 18,492.04, 25,519.20 and 10,108.54 is: 13,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.04 : 25,519.20 = 10,108.54 : x
  2. Step 2: Convert to fraction form
    18,492.04/25,519.20 = 10,108.54/x
  3. Step 3: Cross multiply
    18,492.04x = 25,519.20 × 10,108.54
  4. Step 4: Simplify right side
    18,492.04x = 257,961,853.97
  5. Step 5: Solve for x
    x = 257,961,853.97/18,492.04
  6. Step 6: Final answer
    x = 13,949.89

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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.