Home / 20,548.36-28,357.08-11,596.06

Finding the Fourth Proportional to 20,548.36, 28,357.08 and 11,596.06

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Solution

The fourth proportional to 20,548.36, 28,357.08 and 11,596.06 is: 16,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.36 : 28,357.08 = 11,596.06 : x
  2. Step 2: Convert to fraction form
    20,548.36/28,357.08 = 11,596.06/x
  3. Step 3: Cross multiply
    20,548.36x = 28,357.08 × 11,596.06
  4. Step 4: Simplify right side
    20,548.36x = 328,830,401.10
  5. Step 5: Solve for x
    x = 328,830,401.10/20,548.36
  6. Step 6: Final answer
    x = 16,002.76

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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.