Home / 18,218.56-25,141.98-11,048.44

Finding the Fourth Proportional to 18,218.56, 25,141.98 and 11,048.44

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Solution

The fourth proportional to 18,218.56, 25,141.98 and 11,048.44 is: 15,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.56 : 25,141.98 = 11,048.44 : x
  2. Step 2: Convert to fraction form
    18,218.56/25,141.98 = 11,048.44/x
  3. Step 3: Cross multiply
    18,218.56x = 25,141.98 × 11,048.44
  4. Step 4: Simplify right side
    18,218.56x = 277,779,657.51
  5. Step 5: Solve for x
    x = 277,779,657.51/18,218.56
  6. Step 6: Final answer
    x = 15,247.07

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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.