Home / 13,029.37-19,570.26-7,774.65

Finding the Fourth Proportional to 13,029.37, 19,570.26 and 7,774.65

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Solution

The fourth proportional to 13,029.37, 19,570.26 and 7,774.65 is: 11,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.37 : 19,570.26 = 7,774.65 : x
  2. Step 2: Convert to fraction form
    13,029.37/19,570.26 = 7,774.65/x
  3. Step 3: Cross multiply
    13,029.37x = 19,570.26 × 7,774.65
  4. Step 4: Simplify right side
    13,029.37x = 152,151,907.33
  5. Step 5: Solve for x
    x = 152,151,907.33/13,029.37
  6. Step 6: Final answer
    x = 11,677.61

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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.