Home / 17,174.22-23,670.51-15,686.22

Finding the Fourth Proportional to 17,174.22, 23,670.51 and 15,686.22

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Solution

The fourth proportional to 17,174.22, 23,670.51 and 15,686.22 is: 21,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,174.22 : 23,670.51 = 15,686.22 : x
  2. Step 2: Convert to fraction form
    17,174.22/23,670.51 = 15,686.22/x
  3. Step 3: Cross multiply
    17,174.22x = 23,670.51 × 15,686.22
  4. Step 4: Simplify right side
    17,174.22x = 371,300,827.37
  5. Step 5: Solve for x
    x = 371,300,827.37/17,174.22
  6. Step 6: Final answer
    x = 21,619.66

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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.