Home / 13,079.84-19,628.01-4,760.43

Finding the Fourth Proportional to 13,079.84, 19,628.01 and 4,760.43

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Solution

The fourth proportional to 13,079.84, 19,628.01 and 4,760.43 is: 7,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.84 : 19,628.01 = 4,760.43 : x
  2. Step 2: Convert to fraction form
    13,079.84/19,628.01 = 4,760.43/x
  3. Step 3: Cross multiply
    13,079.84x = 19,628.01 × 4,760.43
  4. Step 4: Simplify right side
    13,079.84x = 93,437,767.64
  5. Step 5: Solve for x
    x = 93,437,767.64/13,079.84
  6. Step 6: Final answer
    x = 7,143.65

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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.