Home / 14,574.36-20,111.85-8,603.85

Finding the Fourth Proportional to 14,574.36, 20,111.85 and 8,603.85

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Solution

The fourth proportional to 14,574.36, 20,111.85 and 8,603.85 is: 11,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.36 : 20,111.85 = 8,603.85 : x
  2. Step 2: Convert to fraction form
    14,574.36/20,111.85 = 8,603.85/x
  3. Step 3: Cross multiply
    14,574.36x = 20,111.85 × 8,603.85
  4. Step 4: Simplify right side
    14,574.36x = 173,039,340.62
  5. Step 5: Solve for x
    x = 173,039,340.62/14,574.36
  6. Step 6: Final answer
    x = 11,872.86

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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.