Home / 14,522.08-21,786.40-5,288

Finding the Fourth Proportional to 14,522.08, 21,786.40 and 5,288

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Solution

The fourth proportional to 14,522.08, 21,786.40 and 5,288 is: 7,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.08 : 21,786.40 = 5,288 : x
  2. Step 2: Convert to fraction form
    14,522.08/21,786.40 = 5,288/x
  3. Step 3: Cross multiply
    14,522.08x = 21,786.40 × 5,288
  4. Step 4: Simplify right side
    14,522.08x = 115,206,483.20
  5. Step 5: Solve for x
    x = 115,206,483.20/14,522.08
  6. Step 6: Final answer
    x = 7,933.19

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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.