Home / 18,747.52-25,871.30-10,249.67

Finding the Fourth Proportional to 18,747.52, 25,871.30 and 10,249.67

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Solution

The fourth proportional to 18,747.52, 25,871.30 and 10,249.67 is: 14,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.52 : 25,871.30 = 10,249.67 : x
  2. Step 2: Convert to fraction form
    18,747.52/25,871.30 = 10,249.67/x
  3. Step 3: Cross multiply
    18,747.52x = 25,871.30 × 10,249.67
  4. Step 4: Simplify right side
    18,747.52x = 265,172,339.34
  5. Step 5: Solve for x
    x = 265,172,339.34/18,747.52
  6. Step 6: Final answer
    x = 14,144.40

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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.