Home / 13,701.36-18,907.44-7,733.04

Finding the Fourth Proportional to 13,701.36, 18,907.44 and 7,733.04

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Solution

The fourth proportional to 13,701.36, 18,907.44 and 7,733.04 is: 10,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.36 : 18,907.44 = 7,733.04 : x
  2. Step 2: Convert to fraction form
    13,701.36/18,907.44 = 7,733.04/x
  3. Step 3: Cross multiply
    13,701.36x = 18,907.44 × 7,733.04
  4. Step 4: Simplify right side
    13,701.36x = 146,211,989.82
  5. Step 5: Solve for x
    x = 146,211,989.82/13,701.36
  6. Step 6: Final answer
    x = 10,671.35

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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.