Home / 16,692.28-23,031.54-9,976.77

Finding the Fourth Proportional to 16,692.28, 23,031.54 and 9,976.77

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Solution

The fourth proportional to 16,692.28, 23,031.54 and 9,976.77 is: 13,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.28 : 23,031.54 = 9,976.77 : x
  2. Step 2: Convert to fraction form
    16,692.28/23,031.54 = 9,976.77/x
  3. Step 3: Cross multiply
    16,692.28x = 23,031.54 × 9,976.77
  4. Step 4: Simplify right side
    16,692.28x = 229,780,377.33
  5. Step 5: Solve for x
    x = 229,780,377.33/16,692.28
  6. Step 6: Final answer
    x = 13,765.67

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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.