Home / 18,492.20-25,519.39-10,534.30

Finding the Fourth Proportional to 18,492.20, 25,519.39 and 10,534.30

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Solution

The fourth proportional to 18,492.20, 25,519.39 and 10,534.30 is: 14,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.20 : 25,519.39 = 10,534.30 : x
  2. Step 2: Convert to fraction form
    18,492.20/25,519.39 = 10,534.30/x
  3. Step 3: Cross multiply
    18,492.20x = 25,519.39 × 10,534.30
  4. Step 4: Simplify right side
    18,492.20x = 268,828,910.08
  5. Step 5: Solve for x
    x = 268,828,910.08/18,492.20
  6. Step 6: Final answer
    x = 14,537.42

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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.