Home / 13,949.16-20,918.46-5,626.32

Finding the Fourth Proportional to 13,949.16, 20,918.46 and 5,626.32

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Solution

The fourth proportional to 13,949.16, 20,918.46 and 5,626.32 is: 8,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.16 : 20,918.46 = 5,626.32 : x
  2. Step 2: Convert to fraction form
    13,949.16/20,918.46 = 5,626.32/x
  3. Step 3: Cross multiply
    13,949.16x = 20,918.46 × 5,626.32
  4. Step 4: Simplify right side
    13,949.16x = 117,693,949.87
  5. Step 5: Solve for x
    x = 117,693,949.87/13,949.16
  6. Step 6: Final answer
    x = 8,437.35

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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.