Home / 13,409.36-20,116.92-4,050.08

Finding the Fourth Proportional to 13,409.36, 20,116.92 and 4,050.08

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Solution

The fourth proportional to 13,409.36, 20,116.92 and 4,050.08 is: 6,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.36 : 20,116.92 = 4,050.08 : x
  2. Step 2: Convert to fraction form
    13,409.36/20,116.92 = 4,050.08/x
  3. Step 3: Cross multiply
    13,409.36x = 20,116.92 × 4,050.08
  4. Step 4: Simplify right side
    13,409.36x = 81,475,135.35
  5. Step 5: Solve for x
    x = 81,475,135.35/13,409.36
  6. Step 6: Final answer
    x = 6,075.99

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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.