Home / 25,130.16-37,637.82-11,991.75

Finding the Fourth Proportional to 25,130.16, 37,637.82 and 11,991.75

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Solution

The fourth proportional to 25,130.16, 37,637.82 and 11,991.75 is: 17,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.16 : 37,637.82 = 11,991.75 : x
  2. Step 2: Convert to fraction form
    25,130.16/37,637.82 = 11,991.75/x
  3. Step 3: Cross multiply
    25,130.16x = 37,637.82 × 11,991.75
  4. Step 4: Simplify right side
    25,130.16x = 451,343,538.14
  5. Step 5: Solve for x
    x = 451,343,538.14/25,130.16
  6. Step 6: Final answer
    x = 17,960.24

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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.