Home / 16,770.80-23,160.22-15,196.16

Finding the Fourth Proportional to 16,770.80, 23,160.22 and 15,196.16

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Solution

The fourth proportional to 16,770.80, 23,160.22 and 15,196.16 is: 20,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.80 : 23,160.22 = 15,196.16 : x
  2. Step 2: Convert to fraction form
    16,770.80/23,160.22 = 15,196.16/x
  3. Step 3: Cross multiply
    16,770.80x = 23,160.22 × 15,196.16
  4. Step 4: Simplify right side
    16,770.80x = 351,946,408.76
  5. Step 5: Solve for x
    x = 351,946,408.76/16,770.80
  6. Step 6: Final answer
    x = 20,985.67

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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.