Home / 19,909.81-29,868.63-6,582.28

Finding the Fourth Proportional to 19,909.81, 29,868.63 and 6,582.28

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Solution

The fourth proportional to 19,909.81, 29,868.63 and 6,582.28 is: 9,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.81 : 29,868.63 = 6,582.28 : x
  2. Step 2: Convert to fraction form
    19,909.81/29,868.63 = 6,582.28/x
  3. Step 3: Cross multiply
    19,909.81x = 29,868.63 × 6,582.28
  4. Step 4: Simplify right side
    19,909.81x = 196,603,685.88
  5. Step 5: Solve for x
    x = 196,603,685.88/19,909.81
  6. Step 6: Final answer
    x = 9,874.71

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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.