Home / 18,789.84-25,925.68-11,234.88

Finding the Fourth Proportional to 18,789.84, 25,925.68 and 11,234.88

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Solution

The fourth proportional to 18,789.84, 25,925.68 and 11,234.88 is: 15,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.84 : 25,925.68 = 11,234.88 : x
  2. Step 2: Convert to fraction form
    18,789.84/25,925.68 = 11,234.88/x
  3. Step 3: Cross multiply
    18,789.84x = 25,925.68 × 11,234.88
  4. Step 4: Simplify right side
    18,789.84x = 291,271,903.72
  5. Step 5: Solve for x
    x = 291,271,903.72/18,789.84
  6. Step 6: Final answer
    x = 15,501.56

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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.