Home / 14,458.50-21,683.40-6,138.36

Finding the Fourth Proportional to 14,458.50, 21,683.40 and 6,138.36

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Solution

The fourth proportional to 14,458.50, 21,683.40 and 6,138.36 is: 9,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.50 : 21,683.40 = 6,138.36 : x
  2. Step 2: Convert to fraction form
    14,458.50/21,683.40 = 6,138.36/x
  3. Step 3: Cross multiply
    14,458.50x = 21,683.40 × 6,138.36
  4. Step 4: Simplify right side
    14,458.50x = 133,100,515.22
  5. Step 5: Solve for x
    x = 133,100,515.22/14,458.50
  6. Step 6: Final answer
    x = 9,205.69

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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.