Home / 36,296.55-54,451.71-12,603.20

Finding the Fourth Proportional to 36,296.55, 54,451.71 and 12,603.20

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Solution

The fourth proportional to 36,296.55, 54,451.71 and 12,603.20 is: 18,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,296.55 : 54,451.71 = 12,603.20 : x
  2. Step 2: Convert to fraction form
    36,296.55/54,451.71 = 12,603.20/x
  3. Step 3: Cross multiply
    36,296.55x = 54,451.71 × 12,603.20
  4. Step 4: Simplify right side
    36,296.55x = 686,265,519.21
  5. Step 5: Solve for x
    x = 686,265,519.21/36,296.55
  6. Step 6: Final answer
    x = 18,907.18

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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.