Home / 15,167.39-22,756.48-7,775.33

Finding the Fourth Proportional to 15,167.39, 22,756.48 and 7,775.33

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Solution

The fourth proportional to 15,167.39, 22,756.48 and 7,775.33 is: 11,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.39 : 22,756.48 = 7,775.33 : x
  2. Step 2: Convert to fraction form
    15,167.39/22,756.48 = 7,775.33/x
  3. Step 3: Cross multiply
    15,167.39x = 22,756.48 × 7,775.33
  4. Step 4: Simplify right side
    15,167.39x = 176,939,008.42
  5. Step 5: Solve for x
    x = 176,939,008.42/15,167.39
  6. Step 6: Final answer
    x = 11,665.76

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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.