Home / 17,827.79-26,734.50-6,728.45

Finding the Fourth Proportional to 17,827.79, 26,734.50 and 6,728.45

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Solution

The fourth proportional to 17,827.79, 26,734.50 and 6,728.45 is: 10,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,827.79 : 26,734.50 = 6,728.45 : x
  2. Step 2: Convert to fraction form
    17,827.79/26,734.50 = 6,728.45/x
  3. Step 3: Cross multiply
    17,827.79x = 26,734.50 × 6,728.45
  4. Step 4: Simplify right side
    17,827.79x = 179,881,612.85
  5. Step 5: Solve for x
    x = 179,881,612.85/17,827.79
  6. Step 6: Final answer
    x = 10,089.96

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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.