Home / 20,009.64-27,612.54-11,056.56

Finding the Fourth Proportional to 20,009.64, 27,612.54 and 11,056.56

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Solution

The fourth proportional to 20,009.64, 27,612.54 and 11,056.56 is: 15,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.64 : 27,612.54 = 11,056.56 : x
  2. Step 2: Convert to fraction form
    20,009.64/27,612.54 = 11,056.56/x
  3. Step 3: Cross multiply
    20,009.64x = 27,612.54 × 11,056.56
  4. Step 4: Simplify right side
    20,009.64x = 305,299,705.26
  5. Step 5: Solve for x
    x = 305,299,705.26/20,009.64
  6. Step 6: Final answer
    x = 15,257.63

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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.