Home / 13,595.45-20,393.78-3,734.81

Finding the Fourth Proportional to 13,595.45, 20,393.78 and 3,734.81

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Solution

The fourth proportional to 13,595.45, 20,393.78 and 3,734.81 is: 5,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.45 : 20,393.78 = 3,734.81 : x
  2. Step 2: Convert to fraction form
    13,595.45/20,393.78 = 3,734.81/x
  3. Step 3: Cross multiply
    13,595.45x = 20,393.78 × 3,734.81
  4. Step 4: Simplify right side
    13,595.45x = 76,166,849.32
  5. Step 5: Solve for x
    x = 76,166,849.32/13,595.45
  6. Step 6: Final answer
    x = 5,602.38

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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.