Home / 15,782.06-23,669-4,686.23

Finding the Fourth Proportional to 15,782.06, 23,669 and 4,686.23

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Solution

The fourth proportional to 15,782.06, 23,669 and 4,686.23 is: 7,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.06 : 23,669 = 4,686.23 : x
  2. Step 2: Convert to fraction form
    15,782.06/23,669 = 4,686.23/x
  3. Step 3: Cross multiply
    15,782.06x = 23,669 × 4,686.23
  4. Step 4: Simplify right side
    15,782.06x = 110,918,377.87
  5. Step 5: Solve for x
    x = 110,918,377.87/15,782.06
  6. Step 6: Final answer
    x = 7,028.13

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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.