Home / 35,169.90-52,749.18-12,993.72

Finding the Fourth Proportional to 35,169.90, 52,749.18 and 12,993.72

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Solution

The fourth proportional to 35,169.90, 52,749.18 and 12,993.72 is: 19,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,169.90 : 52,749.18 = 12,993.72 : x
  2. Step 2: Convert to fraction form
    35,169.90/52,749.18 = 12,993.72/x
  3. Step 3: Cross multiply
    35,169.90x = 52,749.18 × 12,993.72
  4. Step 4: Simplify right side
    35,169.90x = 685,408,075.15
  5. Step 5: Solve for x
    x = 685,408,075.15/35,169.90
  6. Step 6: Final answer
    x = 19,488.49

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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.