Home / 13,795.85-19,039.67-8,132.34

Finding the Fourth Proportional to 13,795.85, 19,039.67 and 8,132.34

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Solution

The fourth proportional to 13,795.85, 19,039.67 and 8,132.34 is: 11,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.85 : 19,039.67 = 8,132.34 : x
  2. Step 2: Convert to fraction form
    13,795.85/19,039.67 = 8,132.34/x
  3. Step 3: Cross multiply
    13,795.85x = 19,039.67 × 8,132.34
  4. Step 4: Simplify right side
    13,795.85x = 154,837,029.27
  5. Step 5: Solve for x
    x = 154,837,029.27/13,795.85
  6. Step 6: Final answer
    x = 11,223.45

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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.