Home / 17,872.79-26,810.46-4,725

Finding the Fourth Proportional to 17,872.79, 26,810.46 and 4,725

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Solution

The fourth proportional to 17,872.79, 26,810.46 and 4,725 is: 7,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.79 : 26,810.46 = 4,725 : x
  2. Step 2: Convert to fraction form
    17,872.79/26,810.46 = 4,725/x
  3. Step 3: Cross multiply
    17,872.79x = 26,810.46 × 4,725
  4. Step 4: Simplify right side
    17,872.79x = 126,679,423.50
  5. Step 5: Solve for x
    x = 126,679,423.50/17,872.79
  6. Step 6: Final answer
    x = 7,087.84

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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.