Home / 13,074.39-19,611.59-5,288.67

Finding the Fourth Proportional to 13,074.39, 19,611.59 and 5,288.67

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Solution

The fourth proportional to 13,074.39, 19,611.59 and 5,288.67 is: 7,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.39 : 19,611.59 = 5,288.67 : x
  2. Step 2: Convert to fraction form
    13,074.39/19,611.59 = 5,288.67/x
  3. Step 3: Cross multiply
    13,074.39x = 19,611.59 × 5,288.67
  4. Step 4: Simplify right side
    13,074.39x = 103,719,201.24
  5. Step 5: Solve for x
    x = 103,719,201.24/13,074.39
  6. Step 6: Final answer
    x = 7,933.01

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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.