Home / 13,082.06-19,609.11-9,515.63

Finding the Fourth Proportional to 13,082.06, 19,609.11 and 9,515.63

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Solution

The fourth proportional to 13,082.06, 19,609.11 and 9,515.63 is: 14,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.06 : 19,609.11 = 9,515.63 : x
  2. Step 2: Convert to fraction form
    13,082.06/19,609.11 = 9,515.63/x
  3. Step 3: Cross multiply
    13,082.06x = 19,609.11 × 9,515.63
  4. Step 4: Simplify right side
    13,082.06x = 186,593,035.39
  5. Step 5: Solve for x
    x = 186,593,035.39/13,082.06
  6. Step 6: Final answer
    x = 14,263.28

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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.