Home / 18,528.42-25,563.98-10,971.44

Finding the Fourth Proportional to 18,528.42, 25,563.98 and 10,971.44

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Solution

The fourth proportional to 18,528.42, 25,563.98 and 10,971.44 is: 15,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.42 : 25,563.98 = 10,971.44 : x
  2. Step 2: Convert to fraction form
    18,528.42/25,563.98 = 10,971.44/x
  3. Step 3: Cross multiply
    18,528.42x = 25,563.98 × 10,971.44
  4. Step 4: Simplify right side
    18,528.42x = 280,473,672.73
  5. Step 5: Solve for x
    x = 280,473,672.73/18,528.42
  6. Step 6: Final answer
    x = 15,137.48

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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.