Home / 13,913.44-19,196.32-8,606.40

Finding the Fourth Proportional to 13,913.44, 19,196.32 and 8,606.40

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Solution

The fourth proportional to 13,913.44, 19,196.32 and 8,606.40 is: 11,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.44 : 19,196.32 = 8,606.40 : x
  2. Step 2: Convert to fraction form
    13,913.44/19,196.32 = 8,606.40/x
  3. Step 3: Cross multiply
    13,913.44x = 19,196.32 × 8,606.40
  4. Step 4: Simplify right side
    13,913.44x = 165,211,208.45
  5. Step 5: Solve for x
    x = 165,211,208.45/13,913.44
  6. Step 6: Final answer
    x = 11,874.22

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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.