Home / 13,595.04-18,759.36-7,626.48

Finding the Fourth Proportional to 13,595.04, 18,759.36 and 7,626.48

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Solution

The fourth proportional to 13,595.04, 18,759.36 and 7,626.48 is: 10,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.04 : 18,759.36 = 7,626.48 : x
  2. Step 2: Convert to fraction form
    13,595.04/18,759.36 = 7,626.48/x
  3. Step 3: Cross multiply
    13,595.04x = 18,759.36 × 7,626.48
  4. Step 4: Simplify right side
    13,595.04x = 143,067,883.85
  5. Step 5: Solve for x
    x = 143,067,883.85/13,595.04
  6. Step 6: Final answer
    x = 10,523.54

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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.