Home / 20,673.55-31,011.35-5,884.64

Finding the Fourth Proportional to 20,673.55, 31,011.35 and 5,884.64

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Solution

The fourth proportional to 20,673.55, 31,011.35 and 5,884.64 is: 8,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.55 : 31,011.35 = 5,884.64 : x
  2. Step 2: Convert to fraction form
    20,673.55/31,011.35 = 5,884.64/x
  3. Step 3: Cross multiply
    20,673.55x = 31,011.35 × 5,884.64
  4. Step 4: Simplify right side
    20,673.55x = 182,490,601.24
  5. Step 5: Solve for x
    x = 182,490,601.24/20,673.55
  6. Step 6: Final answer
    x = 8,827.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.