Home / 13,606.62-20,409.93-4,373.34

Finding the Fourth Proportional to 13,606.62, 20,409.93 and 4,373.34

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Solution

The fourth proportional to 13,606.62, 20,409.93 and 4,373.34 is: 6,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.62 : 20,409.93 = 4,373.34 : x
  2. Step 2: Convert to fraction form
    13,606.62/20,409.93 = 4,373.34/x
  3. Step 3: Cross multiply
    13,606.62x = 20,409.93 × 4,373.34
  4. Step 4: Simplify right side
    13,606.62x = 89,259,563.27
  5. Step 5: Solve for x
    x = 89,259,563.27/13,606.62
  6. Step 6: Final answer
    x = 6,560.01

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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.