Home / 13,161.15-19,732.41-6,582.60

Finding the Fourth Proportional to 13,161.15, 19,732.41 and 6,582.60

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Solution

The fourth proportional to 13,161.15, 19,732.41 and 6,582.60 is: 9,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.15 : 19,732.41 = 6,582.60 : x
  2. Step 2: Convert to fraction form
    13,161.15/19,732.41 = 6,582.60/x
  3. Step 3: Cross multiply
    13,161.15x = 19,732.41 × 6,582.60
  4. Step 4: Simplify right side
    13,161.15x = 129,890,562.07
  5. Step 5: Solve for x
    x = 129,890,562.07/13,161.15
  6. Step 6: Final answer
    x = 9,869.24

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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.