Home / 19,912.00-27,478.03-10,837.53

Finding the Fourth Proportional to 19,912.00, 27,478.03 and 10,837.53

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Solution

The fourth proportional to 19,912.00, 27,478.03 and 10,837.53 is: 14,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.00 : 27,478.03 = 10,837.53 : x
  2. Step 2: Convert to fraction form
    19,912.00/27,478.03 = 10,837.53/x
  3. Step 3: Cross multiply
    19,912.00x = 27,478.03 × 10,837.53
  4. Step 4: Simplify right side
    19,912.00x = 297,794,076.00
  5. Step 5: Solve for x
    x = 297,794,076.00/19,912.00
  6. Step 6: Final answer
    x = 14,955.51

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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.