Home / 18,019.44-24,864.30-10,945.80

Finding the Fourth Proportional to 18,019.44, 24,864.30 and 10,945.80

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Solution

The fourth proportional to 18,019.44, 24,864.30 and 10,945.80 is: 15,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.44 : 24,864.30 = 10,945.80 : x
  2. Step 2: Convert to fraction form
    18,019.44/24,864.30 = 10,945.80/x
  3. Step 3: Cross multiply
    18,019.44x = 24,864.30 × 10,945.80
  4. Step 4: Simplify right side
    18,019.44x = 272,159,654.94
  5. Step 5: Solve for x
    x = 272,159,654.94/18,019.44
  6. Step 6: Final answer
    x = 15,103.67

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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.