Home / 25,589.89-38,388.30-8,946.01

Finding the Fourth Proportional to 25,589.89, 38,388.30 and 8,946.01

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Solution

The fourth proportional to 25,589.89, 38,388.30 and 8,946.01 is: 13,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.89 : 38,388.30 = 8,946.01 : x
  2. Step 2: Convert to fraction form
    25,589.89/38,388.30 = 8,946.01/x
  3. Step 3: Cross multiply
    25,589.89x = 38,388.30 × 8,946.01
  4. Step 4: Simplify right side
    25,589.89x = 343,422,130.12
  5. Step 5: Solve for x
    x = 343,422,130.12/25,589.89
  6. Step 6: Final answer
    x = 13,420.23

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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.