Home / 14,381.95-21,579.21-5,028.68

Finding the Fourth Proportional to 14,381.95, 21,579.21 and 5,028.68

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Solution

The fourth proportional to 14,381.95, 21,579.21 and 5,028.68 is: 7,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.95 : 21,579.21 = 5,028.68 : x
  2. Step 2: Convert to fraction form
    14,381.95/21,579.21 = 5,028.68/x
  3. Step 3: Cross multiply
    14,381.95x = 21,579.21 × 5,028.68
  4. Step 4: Simplify right side
    14,381.95x = 108,514,941.74
  5. Step 5: Solve for x
    x = 108,514,941.74/14,381.95
  6. Step 6: Final answer
    x = 7,545.22

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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.