Home / 13,174.38-19,762.88-5,680.44

Finding the Fourth Proportional to 13,174.38, 19,762.88 and 5,680.44

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Solution

The fourth proportional to 13,174.38, 19,762.88 and 5,680.44 is: 8,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.38 : 19,762.88 = 5,680.44 : x
  2. Step 2: Convert to fraction form
    13,174.38/19,762.88 = 5,680.44/x
  3. Step 3: Cross multiply
    13,174.38x = 19,762.88 × 5,680.44
  4. Step 4: Simplify right side
    13,174.38x = 112,261,825.67
  5. Step 5: Solve for x
    x = 112,261,825.67/13,174.38
  6. Step 6: Final answer
    x = 8,521.22

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1.5x scale

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.