Home / 14,560.64-21,851.81-10,821.04

Finding the Fourth Proportional to 14,560.64, 21,851.81 and 10,821.04

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Solution

The fourth proportional to 14,560.64, 21,851.81 and 10,821.04 is: 16,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.64 : 21,851.81 = 10,821.04 : x
  2. Step 2: Convert to fraction form
    14,560.64/21,851.81 = 10,821.04/x
  3. Step 3: Cross multiply
    14,560.64x = 21,851.81 × 10,821.04
  4. Step 4: Simplify right side
    14,560.64x = 236,459,241.93
  5. Step 5: Solve for x
    x = 236,459,241.93/14,560.64
  6. Step 6: Final answer
    x = 16,239.62

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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.