Home / 13,922.35-19,106.32-13,823.94

Finding the Fourth Proportional to 13,922.35, 19,106.32 and 13,823.94

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Solution

The fourth proportional to 13,922.35, 19,106.32 and 13,823.94 is: 18,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.35 : 19,106.32 = 13,823.94 : x
  2. Step 2: Convert to fraction form
    13,922.35/19,106.32 = 13,823.94/x
  3. Step 3: Cross multiply
    13,922.35x = 19,106.32 × 13,823.94
  4. Step 4: Simplify right side
    13,922.35x = 264,124,621.30
  5. Step 5: Solve for x
    x = 264,124,621.30/13,922.35
  6. Step 6: Final answer
    x = 18,971.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.