Home / 13,155.85-19,716.50-6,232.33

Finding the Fourth Proportional to 13,155.85, 19,716.50 and 6,232.33

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Solution

The fourth proportional to 13,155.85, 19,716.50 and 6,232.33 is: 9,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.85 : 19,716.50 = 6,232.33 : x
  2. Step 2: Convert to fraction form
    13,155.85/19,716.50 = 6,232.33/x
  3. Step 3: Cross multiply
    13,155.85x = 19,716.50 × 6,232.33
  4. Step 4: Simplify right side
    13,155.85x = 122,879,703.28
  5. Step 5: Solve for x
    x = 122,879,703.28/13,155.85
  6. Step 6: Final answer
    x = 9,340.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.