Home / 15,782.16-23,669.10-4,685.88

Finding the Fourth Proportional to 15,782.16, 23,669.10 and 4,685.88

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Solution

The fourth proportional to 15,782.16, 23,669.10 and 4,685.88 is: 7,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.16 : 23,669.10 = 4,685.88 : x
  2. Step 2: Convert to fraction form
    15,782.16/23,669.10 = 4,685.88/x
  3. Step 3: Cross multiply
    15,782.16x = 23,669.10 × 4,685.88
  4. Step 4: Simplify right side
    15,782.16x = 110,910,562.31
  5. Step 5: Solve for x
    x = 110,910,562.31/15,782.16
  6. Step 6: Final answer
    x = 7,027.59

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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.