Home / 22,241.48-30,704.35-12,808.22

Finding the Fourth Proportional to 22,241.48, 30,704.35 and 12,808.22

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Solution

The fourth proportional to 22,241.48, 30,704.35 and 12,808.22 is: 17,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.48 : 30,704.35 = 12,808.22 : x
  2. Step 2: Convert to fraction form
    22,241.48/30,704.35 = 12,808.22/x
  3. Step 3: Cross multiply
    22,241.48x = 30,704.35 × 12,808.22
  4. Step 4: Simplify right side
    22,241.48x = 393,268,069.76
  5. Step 5: Solve for x
    x = 393,268,069.76/22,241.48
  6. Step 6: Final answer
    x = 17,681.74

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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.