Home / 20,056.59-27,675.75-11,104.05

Finding the Fourth Proportional to 20,056.59, 27,675.75 and 11,104.05

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Solution

The fourth proportional to 20,056.59, 27,675.75 and 11,104.05 is: 15,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.59 : 27,675.75 = 11,104.05 : x
  2. Step 2: Convert to fraction form
    20,056.59/27,675.75 = 11,104.05/x
  3. Step 3: Cross multiply
    20,056.59x = 27,675.75 × 11,104.05
  4. Step 4: Simplify right side
    20,056.59x = 307,312,911.79
  5. Step 5: Solve for x
    x = 307,312,911.79/20,056.59
  6. Step 6: Final answer
    x = 15,322.29

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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.