Home / 16,299.09-22,485.60-12,515.58

Finding the Fourth Proportional to 16,299.09, 22,485.60 and 12,515.58

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Solution

The fourth proportional to 16,299.09, 22,485.60 and 12,515.58 is: 17,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299.09 : 22,485.60 = 12,515.58 : x
  2. Step 2: Convert to fraction form
    16,299.09/22,485.60 = 12,515.58/x
  3. Step 3: Cross multiply
    16,299.09x = 22,485.60 × 12,515.58
  4. Step 4: Simplify right side
    16,299.09x = 281,420,325.65
  5. Step 5: Solve for x
    x = 281,420,325.65/16,299.09
  6. Step 6: Final answer
    x = 17,266.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.