Home / 30,401.19-45,603.41-9,626.31

Finding the Fourth Proportional to 30,401.19, 45,603.41 and 9,626.31

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Solution

The fourth proportional to 30,401.19, 45,603.41 and 9,626.31 is: 14,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.19 : 45,603.41 = 9,626.31 : x
  2. Step 2: Convert to fraction form
    30,401.19/45,603.41 = 9,626.31/x
  3. Step 3: Cross multiply
    30,401.19x = 45,603.41 × 9,626.31
  4. Step 4: Simplify right side
    30,401.19x = 438,992,513.59
  5. Step 5: Solve for x
    x = 438,992,513.59/30,401.19
  6. Step 6: Final answer
    x = 14,439.98

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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.