Home / 13,976.08-19,286.88-7,602.67

Finding the Fourth Proportional to 13,976.08, 19,286.88 and 7,602.67

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Solution

The fourth proportional to 13,976.08, 19,286.88 and 7,602.67 is: 10,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.08 : 19,286.88 = 7,602.67 : x
  2. Step 2: Convert to fraction form
    13,976.08/19,286.88 = 7,602.67/x
  3. Step 3: Cross multiply
    13,976.08x = 19,286.88 × 7,602.67
  4. Step 4: Simplify right side
    13,976.08x = 146,631,783.97
  5. Step 5: Solve for x
    x = 146,631,783.97/13,976.08
  6. Step 6: Final answer
    x = 10,491.62

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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.