Home / 13,266.91-19,856.62-7,334.67

Finding the Fourth Proportional to 13,266.91, 19,856.62 and 7,334.67

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Solution

The fourth proportional to 13,266.91, 19,856.62 and 7,334.67 is: 10,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.91 : 19,856.62 = 7,334.67 : x
  2. Step 2: Convert to fraction form
    13,266.91/19,856.62 = 7,334.67/x
  3. Step 3: Cross multiply
    13,266.91x = 19,856.62 × 7,334.67
  4. Step 4: Simplify right side
    13,266.91x = 145,641,718.34
  5. Step 5: Solve for x
    x = 145,641,718.34/13,266.91
  6. Step 6: Final answer
    x = 10,977.82

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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.