Home / 19,953.22-27,534.21-11,000.80

Finding the Fourth Proportional to 19,953.22, 27,534.21 and 11,000.80

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Solution

The fourth proportional to 19,953.22, 27,534.21 and 11,000.80 is: 15,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.22 : 27,534.21 = 11,000.80 : x
  2. Step 2: Convert to fraction form
    19,953.22/27,534.21 = 11,000.80/x
  3. Step 3: Cross multiply
    19,953.22x = 27,534.21 × 11,000.80
  4. Step 4: Simplify right side
    19,953.22x = 302,898,337.37
  5. Step 5: Solve for x
    x = 302,898,337.37/19,953.22
  6. Step 6: Final answer
    x = 15,180.42

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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.