Home / 19,889.54-27,448.28-10,937.73

Finding the Fourth Proportional to 19,889.54, 27,448.28 and 10,937.73

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Solution

The fourth proportional to 19,889.54, 27,448.28 and 10,937.73 is: 15,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.54 : 27,448.28 = 10,937.73 : x
  2. Step 2: Convert to fraction form
    19,889.54/27,448.28 = 10,937.73/x
  3. Step 3: Cross multiply
    19,889.54x = 27,448.28 × 10,937.73
  4. Step 4: Simplify right side
    19,889.54x = 300,221,779.70
  5. Step 5: Solve for x
    x = 300,221,779.70/19,889.54
  6. Step 6: Final answer
    x = 15,094.45

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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.