Home / 12,703.22-19,056.67-3,938.84

Finding the Fourth Proportional to 12,703.22, 19,056.67 and 3,938.84

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Solution

The fourth proportional to 12,703.22, 19,056.67 and 3,938.84 is: 5,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.22 : 19,056.67 = 3,938.84 : x
  2. Step 2: Convert to fraction form
    12,703.22/19,056.67 = 3,938.84/x
  3. Step 3: Cross multiply
    12,703.22x = 19,056.67 × 3,938.84
  4. Step 4: Simplify right side
    12,703.22x = 75,061,068.93
  5. Step 5: Solve for x
    x = 75,061,068.93/12,703.22
  6. Step 6: Final answer
    x = 5,908.82

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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.