Home / 19,182.21-28,760.29-6,695.40

Finding the Fourth Proportional to 19,182.21, 28,760.29 and 6,695.40

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Solution

The fourth proportional to 19,182.21, 28,760.29 and 6,695.40 is: 10,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.21 : 28,760.29 = 6,695.40 : x
  2. Step 2: Convert to fraction form
    19,182.21/28,760.29 = 6,695.40/x
  3. Step 3: Cross multiply
    19,182.21x = 28,760.29 × 6,695.40
  4. Step 4: Simplify right side
    19,182.21x = 192,561,774.44
  5. Step 5: Solve for x
    x = 192,561,774.44/19,182.21
  6. Step 6: Final answer
    x = 10,038.56

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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.