Home / 13,267.99-18,309.69-7,299.67

Finding the Fourth Proportional to 13,267.99, 18,309.69 and 7,299.67

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Solution

The fourth proportional to 13,267.99, 18,309.69 and 7,299.67 is: 10,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.99 : 18,309.69 = 7,299.67 : x
  2. Step 2: Convert to fraction form
    13,267.99/18,309.69 = 7,299.67/x
  3. Step 3: Cross multiply
    13,267.99x = 18,309.69 × 7,299.67
  4. Step 4: Simplify right side
    13,267.99x = 133,654,566.76
  5. Step 5: Solve for x
    x = 133,654,566.76/13,267.99
  6. Step 6: Final answer
    x = 10,073.46

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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.