Home / 12,825.20-19,239.93-4,503.06

Finding the Fourth Proportional to 12,825.20, 19,239.93 and 4,503.06

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Solution

The fourth proportional to 12,825.20, 19,239.93 and 4,503.06 is: 6,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.20 : 19,239.93 = 4,503.06 : x
  2. Step 2: Convert to fraction form
    12,825.20/19,239.93 = 4,503.06/x
  3. Step 3: Cross multiply
    12,825.20x = 19,239.93 × 4,503.06
  4. Step 4: Simplify right side
    12,825.20x = 86,638,559.19
  5. Step 5: Solve for x
    x = 86,638,559.19/12,825.20
  6. Step 6: Final answer
    x = 6,755.34

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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.