Home / 33,796.40-46,638.20-18,688.67

Finding the Fourth Proportional to 33,796.40, 46,638.20 and 18,688.67

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Solution

The fourth proportional to 33,796.40, 46,638.20 and 18,688.67 is: 25,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,796.40 : 46,638.20 = 18,688.67 : x
  2. Step 2: Convert to fraction form
    33,796.40/46,638.20 = 18,688.67/x
  3. Step 3: Cross multiply
    33,796.40x = 46,638.20 × 18,688.67
  4. Step 4: Simplify right side
    33,796.40x = 871,605,929.19
  5. Step 5: Solve for x
    x = 871,605,929.19/33,796.40
  6. Step 6: Final answer
    x = 25,789.90

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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.