Home / 20,548.55-28,358.50-11,596.84

Finding the Fourth Proportional to 20,548.55, 28,358.50 and 11,596.84

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Solution

The fourth proportional to 20,548.55, 28,358.50 and 11,596.84 is: 16,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.55 : 28,358.50 = 11,596.84 : x
  2. Step 2: Convert to fraction form
    20,548.55/28,358.50 = 11,596.84/x
  3. Step 3: Cross multiply
    20,548.55x = 28,358.50 × 11,596.84
  4. Step 4: Simplify right side
    20,548.55x = 328,868,816.36
  5. Step 5: Solve for x
    x = 328,868,816.36/20,548.55
  6. Step 6: Final answer
    x = 16,004.48

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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.