Home / 13,742.87-20,621.79-5,952.29

Finding the Fourth Proportional to 13,742.87, 20,621.79 and 5,952.29

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Solution

The fourth proportional to 13,742.87, 20,621.79 and 5,952.29 is: 8,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.87 : 20,621.79 = 5,952.29 : x
  2. Step 2: Convert to fraction form
    13,742.87/20,621.79 = 5,952.29/x
  3. Step 3: Cross multiply
    13,742.87x = 20,621.79 × 5,952.29
  4. Step 4: Simplify right side
    13,742.87x = 122,746,771.29
  5. Step 5: Solve for x
    x = 122,746,771.29/13,742.87
  6. Step 6: Final answer
    x = 8,931.67

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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.