Home / 18,261.12-25,193.58-13,492.56

Finding the Fourth Proportional to 18,261.12, 25,193.58 and 13,492.56

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Solution

The fourth proportional to 18,261.12, 25,193.58 and 13,492.56 is: 18,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.12 : 25,193.58 = 13,492.56 : x
  2. Step 2: Convert to fraction form
    18,261.12/25,193.58 = 13,492.56/x
  3. Step 3: Cross multiply
    18,261.12x = 25,193.58 × 13,492.56
  4. Step 4: Simplify right side
    18,261.12x = 339,925,889.76
  5. Step 5: Solve for x
    x = 339,925,889.76/18,261.12
  6. Step 6: Final answer
    x = 18,614.73

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Half scale
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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.