Home / 20,180.48-27,852.40-11,795.36

Finding the Fourth Proportional to 20,180.48, 27,852.40 and 11,795.36

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Solution

The fourth proportional to 20,180.48, 27,852.40 and 11,795.36 is: 16,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.48 : 27,852.40 = 11,795.36 : x
  2. Step 2: Convert to fraction form
    20,180.48/27,852.40 = 11,795.36/x
  3. Step 3: Cross multiply
    20,180.48x = 27,852.40 × 11,795.36
  4. Step 4: Simplify right side
    20,180.48x = 328,529,084.86
  5. Step 5: Solve for x
    x = 328,529,084.86/20,180.48
  6. Step 6: Final answer
    x = 16,279.55

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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.