Home / 22,074.96-30,461.60-12,998.88

Finding the Fourth Proportional to 22,074.96, 30,461.60 and 12,998.88

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Solution

The fourth proportional to 22,074.96, 30,461.60 and 12,998.88 is: 17,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.96 : 30,461.60 = 12,998.88 : x
  2. Step 2: Convert to fraction form
    22,074.96/30,461.60 = 12,998.88/x
  3. Step 3: Cross multiply
    22,074.96x = 30,461.60 × 12,998.88
  4. Step 4: Simplify right side
    22,074.96x = 395,966,683.01
  5. Step 5: Solve for x
    x = 395,966,683.01/22,074.96
  6. Step 6: Final answer
    x = 17,937.37

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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.