Home / 26,541.93-39,780.09-13,398.06

Finding the Fourth Proportional to 26,541.93, 39,780.09 and 13,398.06

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Solution

The fourth proportional to 26,541.93, 39,780.09 and 13,398.06 is: 20,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.93 : 39,780.09 = 13,398.06 : x
  2. Step 2: Convert to fraction form
    26,541.93/39,780.09 = 13,398.06/x
  3. Step 3: Cross multiply
    26,541.93x = 39,780.09 × 13,398.06
  4. Step 4: Simplify right side
    26,541.93x = 532,976,032.63
  5. Step 5: Solve for x
    x = 532,976,032.63/26,541.93
  6. Step 6: Final answer
    x = 20,080.53

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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.