Home / 26,487.06-36,494.46-19,770

Finding the Fourth Proportional to 26,487.06, 36,494.46 and 19,770

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Solution

The fourth proportional to 26,487.06, 36,494.46 and 19,770 is: 27,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.06 : 36,494.46 = 19,770 : x
  2. Step 2: Convert to fraction form
    26,487.06/36,494.46 = 19,770/x
  3. Step 3: Cross multiply
    26,487.06x = 36,494.46 × 19,770
  4. Step 4: Simplify right side
    26,487.06x = 721,495,474.20
  5. Step 5: Solve for x
    x = 721,495,474.20/26,487.06
  6. Step 6: Final answer
    x = 27,239.55

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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.