Home / 14,040.60-21,050.50-6,636.41

Finding the Fourth Proportional to 14,040.60, 21,050.50 and 6,636.41

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Solution

The fourth proportional to 14,040.60, 21,050.50 and 6,636.41 is: 9,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.60 : 21,050.50 = 6,636.41 : x
  2. Step 2: Convert to fraction form
    14,040.60/21,050.50 = 6,636.41/x
  3. Step 3: Cross multiply
    14,040.60x = 21,050.50 × 6,636.41
  4. Step 4: Simplify right side
    14,040.60x = 139,699,718.24
  5. Step 5: Solve for x
    x = 139,699,718.24/14,040.60
  6. Step 6: Final answer
    x = 9,949.70

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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.