Home / 20,204.46-27,885.24-19,548.72

Finding the Fourth Proportional to 20,204.46, 27,885.24 and 19,548.72

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Solution

The fourth proportional to 20,204.46, 27,885.24 and 19,548.72 is: 26,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.46 : 27,885.24 = 19,548.72 : x
  2. Step 2: Convert to fraction form
    20,204.46/27,885.24 = 19,548.72/x
  3. Step 3: Cross multiply
    20,204.46x = 27,885.24 × 19,548.72
  4. Step 4: Simplify right side
    20,204.46x = 545,120,748.89
  5. Step 5: Solve for x
    x = 545,120,748.89/20,204.46
  6. Step 6: Final answer
    x = 26,980.22

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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.