Home / 13,466.25-18,584.87-7,881.93

Finding the Fourth Proportional to 13,466.25, 18,584.87 and 7,881.93

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Solution

The fourth proportional to 13,466.25, 18,584.87 and 7,881.93 is: 10,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.25 : 18,584.87 = 7,881.93 : x
  2. Step 2: Convert to fraction form
    13,466.25/18,584.87 = 7,881.93/x
  3. Step 3: Cross multiply
    13,466.25x = 18,584.87 × 7,881.93
  4. Step 4: Simplify right side
    13,466.25x = 146,484,644.40
  5. Step 5: Solve for x
    x = 146,484,644.40/13,466.25
  6. Step 6: Final answer
    x = 10,877.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.