Home / 19,905.14-27,469.74-10,953.66

Finding the Fourth Proportional to 19,905.14, 27,469.74 and 10,953.66

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Solution

The fourth proportional to 19,905.14, 27,469.74 and 10,953.66 is: 15,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.14 : 27,469.74 = 10,953.66 : x
  2. Step 2: Convert to fraction form
    19,905.14/27,469.74 = 10,953.66/x
  3. Step 3: Cross multiply
    19,905.14x = 27,469.74 × 10,953.66
  4. Step 4: Simplify right side
    19,905.14x = 300,894,192.25
  5. Step 5: Solve for x
    x = 300,894,192.25/19,905.14
  6. Step 6: Final answer
    x = 15,116.41

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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.