Home / 22,157.01-30,576.45-12,725.64

Finding the Fourth Proportional to 22,157.01, 30,576.45 and 12,725.64

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Solution

The fourth proportional to 22,157.01, 30,576.45 and 12,725.64 is: 17,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.01 : 30,576.45 = 12,725.64 : x
  2. Step 2: Convert to fraction form
    22,157.01/30,576.45 = 12,725.64/x
  3. Step 3: Cross multiply
    22,157.01x = 30,576.45 × 12,725.64
  4. Step 4: Simplify right side
    22,157.01x = 389,104,895.18
  5. Step 5: Solve for x
    x = 389,104,895.18/22,157.01
  6. Step 6: Final answer
    x = 17,561.25

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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.