Home / 19,586.86-29,351.12-10,824.28

Finding the Fourth Proportional to 19,586.86, 29,351.12 and 10,824.28

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Solution

The fourth proportional to 19,586.86, 29,351.12 and 10,824.28 is: 16,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.86 : 29,351.12 = 10,824.28 : x
  2. Step 2: Convert to fraction form
    19,586.86/29,351.12 = 10,824.28/x
  3. Step 3: Cross multiply
    19,586.86x = 29,351.12 × 10,824.28
  4. Step 4: Simplify right side
    19,586.86x = 317,704,741.19
  5. Step 5: Solve for x
    x = 317,704,741.19/19,586.86
  6. Step 6: Final answer
    x = 16,220.30

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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.