Home / 22,176.21-30,602.58-12,104.78

Finding the Fourth Proportional to 22,176.21, 30,602.58 and 12,104.78

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Solution

The fourth proportional to 22,176.21, 30,602.58 and 12,104.78 is: 16,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.21 : 30,602.58 = 12,104.78 : x
  2. Step 2: Convert to fraction form
    22,176.21/30,602.58 = 12,104.78/x
  3. Step 3: Cross multiply
    22,176.21x = 30,602.58 × 12,104.78
  4. Step 4: Simplify right side
    22,176.21x = 370,437,345.32
  5. Step 5: Solve for x
    x = 370,437,345.32/22,176.21
  6. Step 6: Final answer
    x = 16,704.27

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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.