Home / 17,090.11-23,581.53-11,415.76

Finding the Fourth Proportional to 17,090.11, 23,581.53 and 11,415.76

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Solution

The fourth proportional to 17,090.11, 23,581.53 and 11,415.76 is: 15,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.11 : 23,581.53 = 11,415.76 : x
  2. Step 2: Convert to fraction form
    17,090.11/23,581.53 = 11,415.76/x
  3. Step 3: Cross multiply
    17,090.11x = 23,581.53 × 11,415.76
  4. Step 4: Simplify right side
    17,090.11x = 269,201,086.91
  5. Step 5: Solve for x
    x = 269,201,086.91/17,090.11
  6. Step 6: Final answer
    x = 15,751.86

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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.