Home / 19,239.18-28,865.25-9,376.62

Finding the Fourth Proportional to 19,239.18, 28,865.25 and 9,376.62

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Solution

The fourth proportional to 19,239.18, 28,865.25 and 9,376.62 is: 14,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.18 : 28,865.25 = 9,376.62 : x
  2. Step 2: Convert to fraction form
    19,239.18/28,865.25 = 9,376.62/x
  3. Step 3: Cross multiply
    19,239.18x = 28,865.25 × 9,376.62
  4. Step 4: Simplify right side
    19,239.18x = 270,658,480.46
  5. Step 5: Solve for x
    x = 270,658,480.46/19,239.18
  6. Step 6: Final answer
    x = 14,068.09

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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.