Home / 19,616.49-27,071.28-10,664.60

Finding the Fourth Proportional to 19,616.49, 27,071.28 and 10,664.60

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Solution

The fourth proportional to 19,616.49, 27,071.28 and 10,664.60 is: 14,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.49 : 27,071.28 = 10,664.60 : x
  2. Step 2: Convert to fraction form
    19,616.49/27,071.28 = 10,664.60/x
  3. Step 3: Cross multiply
    19,616.49x = 27,071.28 × 10,664.60
  4. Step 4: Simplify right side
    19,616.49x = 288,704,237.33
  5. Step 5: Solve for x
    x = 288,704,237.33/19,616.49
  6. Step 6: Final answer
    x = 14,717.43

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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.