Home / 17,938.54-26,905.82-4,792.06

Finding the Fourth Proportional to 17,938.54, 26,905.82 and 4,792.06

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Solution

The fourth proportional to 17,938.54, 26,905.82 and 4,792.06 is: 7,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.54 : 26,905.82 = 4,792.06 : x
  2. Step 2: Convert to fraction form
    17,938.54/26,905.82 = 4,792.06/x
  3. Step 3: Cross multiply
    17,938.54x = 26,905.82 × 4,792.06
  4. Step 4: Simplify right side
    17,938.54x = 128,934,303.79
  5. Step 5: Solve for x
    x = 128,934,303.79/17,938.54
  6. Step 6: Final answer
    x = 7,187.56

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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.