Home / 15,704.93-21,692.04-11,743.67

Finding the Fourth Proportional to 15,704.93, 21,692.04 and 11,743.67

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Solution

The fourth proportional to 15,704.93, 21,692.04 and 11,743.67 is: 16,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.93 : 21,692.04 = 11,743.67 : x
  2. Step 2: Convert to fraction form
    15,704.93/21,692.04 = 11,743.67/x
  3. Step 3: Cross multiply
    15,704.93x = 21,692.04 × 11,743.67
  4. Step 4: Simplify right side
    15,704.93x = 254,744,159.39
  5. Step 5: Solve for x
    x = 254,744,159.39/15,704.93
  6. Step 6: Final answer
    x = 16,220.65

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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.