Home / 22,171.79-30,597.08-16,511.40

Finding the Fourth Proportional to 22,171.79, 30,597.08 and 16,511.40

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Solution

The fourth proportional to 22,171.79, 30,597.08 and 16,511.40 is: 22,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.79 : 30,597.08 = 16,511.40 : x
  2. Step 2: Convert to fraction form
    22,171.79/30,597.08 = 16,511.40/x
  3. Step 3: Cross multiply
    22,171.79x = 30,597.08 × 16,511.40
  4. Step 4: Simplify right side
    22,171.79x = 505,200,544.16
  5. Step 5: Solve for x
    x = 505,200,544.16/22,171.79
  6. Step 6: Final answer
    x = 22,785.73

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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.