Home / 13,888.26-19,164.78-8,583.17

Finding the Fourth Proportional to 13,888.26, 19,164.78 and 8,583.17

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Solution

The fourth proportional to 13,888.26, 19,164.78 and 8,583.17 is: 11,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.26 : 19,164.78 = 8,583.17 : x
  2. Step 2: Convert to fraction form
    13,888.26/19,164.78 = 8,583.17/x
  3. Step 3: Cross multiply
    13,888.26x = 19,164.78 × 8,583.17
  4. Step 4: Simplify right side
    13,888.26x = 164,494,468.93
  5. Step 5: Solve for x
    x = 164,494,468.93/13,888.26
  6. Step 6: Final answer
    x = 11,844.14

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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.