Home / 18,148.48-27,222.88-5,000.56

Finding the Fourth Proportional to 18,148.48, 27,222.88 and 5,000.56

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Solution

The fourth proportional to 18,148.48, 27,222.88 and 5,000.56 is: 7,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.48 : 27,222.88 = 5,000.56 : x
  2. Step 2: Convert to fraction form
    18,148.48/27,222.88 = 5,000.56/x
  3. Step 3: Cross multiply
    18,148.48x = 27,222.88 × 5,000.56
  4. Step 4: Simplify right side
    18,148.48x = 136,129,644.81
  5. Step 5: Solve for x
    x = 136,129,644.81/18,148.48
  6. Step 6: Final answer
    x = 7,500.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.