Home / 13,466.38-18,584.62-7,802.66

Finding the Fourth Proportional to 13,466.38, 18,584.62 and 7,802.66

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Solution

The fourth proportional to 13,466.38, 18,584.62 and 7,802.66 is: 10,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.38 : 18,584.62 = 7,802.66 : x
  2. Step 2: Convert to fraction form
    13,466.38/18,584.62 = 7,802.66/x
  3. Step 3: Cross multiply
    13,466.38x = 18,584.62 × 7,802.66
  4. Step 4: Simplify right side
    13,466.38x = 145,009,471.09
  5. Step 5: Solve for x
    x = 145,009,471.09/13,466.38
  6. Step 6: Final answer
    x = 10,768.26

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1.5x scale

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.