Home / 25,969.91-38,989.44-17,564.64

Finding the Fourth Proportional to 25,969.91, 38,989.44 and 17,564.64

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Solution

The fourth proportional to 25,969.91, 38,989.44 and 17,564.64 is: 26,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.91 : 38,989.44 = 17,564.64 : x
  2. Step 2: Convert to fraction form
    25,969.91/38,989.44 = 17,564.64/x
  3. Step 3: Cross multiply
    25,969.91x = 38,989.44 × 17,564.64
  4. Step 4: Simplify right side
    25,969.91x = 684,835,477.40
  5. Step 5: Solve for x
    x = 684,835,477.40/25,969.91
  6. Step 6: Final answer
    x = 26,370.35

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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.