Home / 19,553.37-26,985.21-11,057.28

Finding the Fourth Proportional to 19,553.37, 26,985.21 and 11,057.28

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Solution

The fourth proportional to 19,553.37, 26,985.21 and 11,057.28 is: 15,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.37 : 26,985.21 = 11,057.28 : x
  2. Step 2: Convert to fraction form
    19,553.37/26,985.21 = 11,057.28/x
  3. Step 3: Cross multiply
    19,553.37x = 26,985.21 × 11,057.28
  4. Step 4: Simplify right side
    19,553.37x = 298,382,967.54
  5. Step 5: Solve for x
    x = 298,382,967.54/19,553.37
  6. Step 6: Final answer
    x = 15,259.93

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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.