Home / 12,223.36-16,912.68-10,654.72

Finding the Fourth Proportional to 12,223.36, 16,912.68 and 10,654.72

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Solution

The fourth proportional to 12,223.36, 16,912.68 and 10,654.72 is: 14,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.36 : 16,912.68 = 10,654.72 : x
  2. Step 2: Convert to fraction form
    12,223.36/16,912.68 = 10,654.72/x
  3. Step 3: Cross multiply
    12,223.36x = 16,912.68 × 10,654.72
  4. Step 4: Simplify right side
    12,223.36x = 180,199,869.85
  5. Step 5: Solve for x
    x = 180,199,869.85/12,223.36
  6. Step 6: Final answer
    x = 14,742.25

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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.