Home / 17,644.51-26,470.21-5,164.74

Finding the Fourth Proportional to 17,644.51, 26,470.21 and 5,164.74

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Solution

The fourth proportional to 17,644.51, 26,470.21 and 5,164.74 is: 7,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,644.51 : 26,470.21 = 5,164.74 : x
  2. Step 2: Convert to fraction form
    17,644.51/26,470.21 = 5,164.74/x
  3. Step 3: Cross multiply
    17,644.51x = 26,470.21 × 5,164.74
  4. Step 4: Simplify right side
    17,644.51x = 136,711,749.17
  5. Step 5: Solve for x
    x = 136,711,749.17/17,644.51
  6. Step 6: Final answer
    x = 7,748.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.