Home / 19,148.07-28,715.73-8,052.69

Finding the Fourth Proportional to 19,148.07, 28,715.73 and 8,052.69

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Solution

The fourth proportional to 19,148.07, 28,715.73 and 8,052.69 is: 12,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.07 : 28,715.73 = 8,052.69 : x
  2. Step 2: Convert to fraction form
    19,148.07/28,715.73 = 8,052.69/x
  3. Step 3: Cross multiply
    19,148.07x = 28,715.73 × 8,052.69
  4. Step 4: Simplify right side
    19,148.07x = 231,238,871.81
  5. Step 5: Solve for x
    x = 231,238,871.81/19,148.07
  6. Step 6: Final answer
    x = 12,076.35

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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.