Home / 13,235.55-18,265.55-7,267.17

Finding the Fourth Proportional to 13,235.55, 18,265.55 and 7,267.17

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Solution

The fourth proportional to 13,235.55, 18,265.55 and 7,267.17 is: 10,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.55 : 18,265.55 = 7,267.17 : x
  2. Step 2: Convert to fraction form
    13,235.55/18,265.55 = 7,267.17/x
  3. Step 3: Cross multiply
    13,235.55x = 18,265.55 × 7,267.17
  4. Step 4: Simplify right side
    13,235.55x = 132,738,856.99
  5. Step 5: Solve for x
    x = 132,738,856.99/13,235.55
  6. Step 6: Final answer
    x = 10,028.96

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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.