Home / 22,177.32-30,603.41-12,103.75

Finding the Fourth Proportional to 22,177.32, 30,603.41 and 12,103.75

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Solution

The fourth proportional to 22,177.32, 30,603.41 and 12,103.75 is: 16,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.32 : 30,603.41 = 12,103.75 : x
  2. Step 2: Convert to fraction form
    22,177.32/30,603.41 = 12,103.75/x
  3. Step 3: Cross multiply
    22,177.32x = 30,603.41 × 12,103.75
  4. Step 4: Simplify right side
    22,177.32x = 370,415,963.27
  5. Step 5: Solve for x
    x = 370,415,963.27/22,177.32
  6. Step 6: Final answer
    x = 16,702.47

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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.