Home / 20,133.66-27,784.29-11,059.17

Finding the Fourth Proportional to 20,133.66, 27,784.29 and 11,059.17

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Solution

The fourth proportional to 20,133.66, 27,784.29 and 11,059.17 is: 15,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.66 : 27,784.29 = 11,059.17 : x
  2. Step 2: Convert to fraction form
    20,133.66/27,784.29 = 11,059.17/x
  3. Step 3: Cross multiply
    20,133.66x = 27,784.29 × 11,059.17
  4. Step 4: Simplify right side
    20,133.66x = 307,271,186.44
  5. Step 5: Solve for x
    x = 307,271,186.44/20,133.66
  6. Step 6: Final answer
    x = 15,261.57

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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.