Home / 20,369.98-30,527.92-11,012.36

Finding the Fourth Proportional to 20,369.98, 30,527.92 and 11,012.36

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Solution

The fourth proportional to 20,369.98, 30,527.92 and 11,012.36 is: 16,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.98 : 30,527.92 = 11,012.36 : x
  2. Step 2: Convert to fraction form
    20,369.98/30,527.92 = 11,012.36/x
  3. Step 3: Cross multiply
    20,369.98x = 30,527.92 × 11,012.36
  4. Step 4: Simplify right side
    20,369.98x = 336,184,306.22
  5. Step 5: Solve for x
    x = 336,184,306.22/20,369.98
  6. Step 6: Final answer
    x = 16,503.91

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1.5x scale

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.