Home / 18,575.68-27,860.64-5,424.52

Finding the Fourth Proportional to 18,575.68, 27,860.64 and 5,424.52

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Solution

The fourth proportional to 18,575.68, 27,860.64 and 5,424.52 is: 8,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.68 : 27,860.64 = 5,424.52 : x
  2. Step 2: Convert to fraction form
    18,575.68/27,860.64 = 5,424.52/x
  3. Step 3: Cross multiply
    18,575.68x = 27,860.64 × 5,424.52
  4. Step 4: Simplify right side
    18,575.68x = 151,130,598.89
  5. Step 5: Solve for x
    x = 151,130,598.89/18,575.68
  6. Step 6: Final answer
    x = 8,135.94

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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.