Home / 20,771.96-28,681.63-16,725.94

Finding the Fourth Proportional to 20,771.96, 28,681.63 and 16,725.94

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Solution

The fourth proportional to 20,771.96, 28,681.63 and 16,725.94 is: 23,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771.96 : 28,681.63 = 16,725.94 : x
  2. Step 2: Convert to fraction form
    20,771.96/28,681.63 = 16,725.94/x
  3. Step 3: Cross multiply
    20,771.96x = 28,681.63 × 16,725.94
  4. Step 4: Simplify right side
    20,771.96x = 479,727,108.96
  5. Step 5: Solve for x
    x = 479,727,108.96/20,771.96
  6. Step 6: Final answer
    x = 23,094.94

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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.