Home / 14,989.05-22,483.88-5,139.65

Finding the Fourth Proportional to 14,989.05, 22,483.88 and 5,139.65

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Solution

The fourth proportional to 14,989.05, 22,483.88 and 5,139.65 is: 7,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.05 : 22,483.88 = 5,139.65 : x
  2. Step 2: Convert to fraction form
    14,989.05/22,483.88 = 5,139.65/x
  3. Step 3: Cross multiply
    14,989.05x = 22,483.88 × 5,139.65
  4. Step 4: Simplify right side
    14,989.05x = 115,559,135.72
  5. Step 5: Solve for x
    x = 115,559,135.72/14,989.05
  6. Step 6: Final answer
    x = 7,709.57

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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.