Home / 15,605.14-23,408.02-3,918.06

Finding the Fourth Proportional to 15,605.14, 23,408.02 and 3,918.06

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Solution

The fourth proportional to 15,605.14, 23,408.02 and 3,918.06 is: 5,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.14 : 23,408.02 = 3,918.06 : x
  2. Step 2: Convert to fraction form
    15,605.14/23,408.02 = 3,918.06/x
  3. Step 3: Cross multiply
    15,605.14x = 23,408.02 × 3,918.06
  4. Step 4: Simplify right side
    15,605.14x = 91,714,026.84
  5. Step 5: Solve for x
    x = 91,714,026.84/15,605.14
  6. Step 6: Final answer
    x = 5,877.17

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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.