Home / 25,621.31-38,430.58-7,852.03

Finding the Fourth Proportional to 25,621.31, 38,430.58 and 7,852.03

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Solution

The fourth proportional to 25,621.31, 38,430.58 and 7,852.03 is: 11,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.31 : 38,430.58 = 7,852.03 : x
  2. Step 2: Convert to fraction form
    25,621.31/38,430.58 = 7,852.03/x
  3. Step 3: Cross multiply
    25,621.31x = 38,430.58 × 7,852.03
  4. Step 4: Simplify right side
    25,621.31x = 301,758,067.08
  5. Step 5: Solve for x
    x = 301,758,067.08/25,621.31
  6. Step 6: Final answer
    x = 11,777.62

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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.