Home / 16,531.36-24,804.09-8,639.80

Finding the Fourth Proportional to 16,531.36, 24,804.09 and 8,639.80

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Solution

The fourth proportional to 16,531.36, 24,804.09 and 8,639.80 is: 12,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.36 : 24,804.09 = 8,639.80 : x
  2. Step 2: Convert to fraction form
    16,531.36/24,804.09 = 8,639.80/x
  3. Step 3: Cross multiply
    16,531.36x = 24,804.09 × 8,639.80
  4. Step 4: Simplify right side
    16,531.36x = 214,302,314.77
  5. Step 5: Solve for x
    x = 214,302,314.77/16,531.36
  6. Step 6: Final answer
    x = 12,963.38

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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.