Home / 13,135.96-19,707.57-7,296.67

Finding the Fourth Proportional to 13,135.96, 19,707.57 and 7,296.67

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Solution

The fourth proportional to 13,135.96, 19,707.57 and 7,296.67 is: 10,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.96 : 19,707.57 = 7,296.67 : x
  2. Step 2: Convert to fraction form
    13,135.96/19,707.57 = 7,296.67/x
  3. Step 3: Cross multiply
    13,135.96x = 19,707.57 × 7,296.67
  4. Step 4: Simplify right side
    13,135.96x = 143,799,634.79
  5. Step 5: Solve for x
    x = 143,799,634.79/13,135.96
  6. Step 6: Final answer
    x = 10,947.02

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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.