Home / 19,970.70-27,559.37-11,018.27

Finding the Fourth Proportional to 19,970.70, 27,559.37 and 11,018.27

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Solution

The fourth proportional to 19,970.70, 27,559.37 and 11,018.27 is: 15,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.70 : 27,559.37 = 11,018.27 : x
  2. Step 2: Convert to fraction form
    19,970.70/27,559.37 = 11,018.27/x
  3. Step 3: Cross multiply
    19,970.70x = 27,559.37 × 11,018.27
  4. Step 4: Simplify right side
    19,970.70x = 303,656,676.13
  5. Step 5: Solve for x
    x = 303,656,676.13/19,970.70
  6. Step 6: Final answer
    x = 15,205.11

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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.