Home / 17,759.04-26,580-15,815.04

Finding the Fourth Proportional to 17,759.04, 26,580 and 15,815.04

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Solution

The fourth proportional to 17,759.04, 26,580 and 15,815.04 is: 23,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.04 : 26,580 = 15,815.04 : x
  2. Step 2: Convert to fraction form
    17,759.04/26,580 = 15,815.04/x
  3. Step 3: Cross multiply
    17,759.04x = 26,580 × 15,815.04
  4. Step 4: Simplify right side
    17,759.04x = 420,363,763.20
  5. Step 5: Solve for x
    x = 420,363,763.20/17,759.04
  6. Step 6: Final answer
    x = 23,670.41

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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.