Home / 22,106.96-30,467-20,704.08

Finding the Fourth Proportional to 22,106.96, 30,467 and 20,704.08

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Solution

The fourth proportional to 22,106.96, 30,467 and 20,704.08 is: 28,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.96 : 30,467 = 20,704.08 : x
  2. Step 2: Convert to fraction form
    22,106.96/30,467 = 20,704.08/x
  3. Step 3: Cross multiply
    22,106.96x = 30,467 × 20,704.08
  4. Step 4: Simplify right side
    22,106.96x = 630,791,205.36
  5. Step 5: Solve for x
    x = 630,791,205.36/22,106.96
  6. Step 6: Final answer
    x = 28,533.60

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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.