Home / 13,176.34-19,766.67-5,383.06

Finding the Fourth Proportional to 13,176.34, 19,766.67 and 5,383.06

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Solution

The fourth proportional to 13,176.34, 19,766.67 and 5,383.06 is: 8,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.34 : 19,766.67 = 5,383.06 : x
  2. Step 2: Convert to fraction form
    13,176.34/19,766.67 = 5,383.06/x
  3. Step 3: Cross multiply
    13,176.34x = 19,766.67 × 5,383.06
  4. Step 4: Simplify right side
    13,176.34x = 106,405,170.61
  5. Step 5: Solve for x
    x = 106,405,170.61/13,176.34
  6. Step 6: Final answer
    x = 8,075.47

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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.