Home / 16,810.40-25,208.31-5,714.11

Finding the Fourth Proportional to 16,810.40, 25,208.31 and 5,714.11

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Solution

The fourth proportional to 16,810.40, 25,208.31 and 5,714.11 is: 8,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.40 : 25,208.31 = 5,714.11 : x
  2. Step 2: Convert to fraction form
    16,810.40/25,208.31 = 5,714.11/x
  3. Step 3: Cross multiply
    16,810.40x = 25,208.31 × 5,714.11
  4. Step 4: Simplify right side
    16,810.40x = 144,043,056.25
  5. Step 5: Solve for x
    x = 144,043,056.25/16,810.40
  6. Step 6: Final answer
    x = 8,568.69

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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.