Home / 22,303.58-30,776.63-12,745.85

Finding the Fourth Proportional to 22,303.58, 30,776.63 and 12,745.85

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Solution

The fourth proportional to 22,303.58, 30,776.63 and 12,745.85 is: 17,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.58 : 30,776.63 = 12,745.85 : x
  2. Step 2: Convert to fraction form
    22,303.58/30,776.63 = 12,745.85/x
  3. Step 3: Cross multiply
    22,303.58x = 30,776.63 × 12,745.85
  4. Step 4: Simplify right side
    22,303.58x = 392,274,091.87
  5. Step 5: Solve for x
    x = 392,274,091.87/22,303.58
  6. Step 6: Final answer
    x = 17,587.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.