Home / 15,718.90-23,579.88-5,726.36

Finding the Fourth Proportional to 15,718.90, 23,579.88 and 5,726.36

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Solution

The fourth proportional to 15,718.90, 23,579.88 and 5,726.36 is: 8,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.90 : 23,579.88 = 5,726.36 : x
  2. Step 2: Convert to fraction form
    15,718.90/23,579.88 = 5,726.36/x
  3. Step 3: Cross multiply
    15,718.90x = 23,579.88 × 5,726.36
  4. Step 4: Simplify right side
    15,718.90x = 135,026,763.74
  5. Step 5: Solve for x
    x = 135,026,763.74/15,718.90
  6. Step 6: Final answer
    x = 8,590.09

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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.