Home / 13,255.09-19,882.54-4,021.09

Finding the Fourth Proportional to 13,255.09, 19,882.54 and 4,021.09

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Solution

The fourth proportional to 13,255.09, 19,882.54 and 4,021.09 is: 6,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.09 : 19,882.54 = 4,021.09 : x
  2. Step 2: Convert to fraction form
    13,255.09/19,882.54 = 4,021.09/x
  3. Step 3: Cross multiply
    13,255.09x = 19,882.54 × 4,021.09
  4. Step 4: Simplify right side
    13,255.09x = 79,949,482.77
  5. Step 5: Solve for x
    x = 79,949,482.77/13,255.09
  6. Step 6: Final answer
    x = 6,031.61

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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.