Home / 25,809.72-38,729.16-11,017.26

Finding the Fourth Proportional to 25,809.72, 38,729.16 and 11,017.26

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Solution

The fourth proportional to 25,809.72, 38,729.16 and 11,017.26 is: 16,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.72 : 38,729.16 = 11,017.26 : x
  2. Step 2: Convert to fraction form
    25,809.72/38,729.16 = 11,017.26/x
  3. Step 3: Cross multiply
    25,809.72x = 38,729.16 × 11,017.26
  4. Step 4: Simplify right side
    25,809.72x = 426,689,225.30
  5. Step 5: Solve for x
    x = 426,689,225.30/25,809.72
  6. Step 6: Final answer
    x = 16,532.11

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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.