Home / 19,090.76-26,354.22-12,727.94

Finding the Fourth Proportional to 19,090.76, 26,354.22 and 12,727.94

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Solution

The fourth proportional to 19,090.76, 26,354.22 and 12,727.94 is: 17,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.76 : 26,354.22 = 12,727.94 : x
  2. Step 2: Convert to fraction form
    19,090.76/26,354.22 = 12,727.94/x
  3. Step 3: Cross multiply
    19,090.76x = 26,354.22 × 12,727.94
  4. Step 4: Simplify right side
    19,090.76x = 335,434,930.91
  5. Step 5: Solve for x
    x = 335,434,930.91/19,090.76
  6. Step 6: Final answer
    x = 17,570.54

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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.