Home / 18,634.96-25,716.10-10,570.15

Finding the Fourth Proportional to 18,634.96, 25,716.10 and 10,570.15

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Solution

The fourth proportional to 18,634.96, 25,716.10 and 10,570.15 is: 14,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.96 : 25,716.10 = 10,570.15 : x
  2. Step 2: Convert to fraction form
    18,634.96/25,716.10 = 10,570.15/x
  3. Step 3: Cross multiply
    18,634.96x = 25,716.10 × 10,570.15
  4. Step 4: Simplify right side
    18,634.96x = 271,823,034.42
  5. Step 5: Solve for x
    x = 271,823,034.42/18,634.96
  6. Step 6: Final answer
    x = 14,586.72

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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.