Home / 13,534.83-18,679.09-7,566.14

Finding the Fourth Proportional to 13,534.83, 18,679.09 and 7,566.14

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Solution

The fourth proportional to 13,534.83, 18,679.09 and 7,566.14 is: 10,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.83 : 18,679.09 = 7,566.14 : x
  2. Step 2: Convert to fraction form
    13,534.83/18,679.09 = 7,566.14/x
  3. Step 3: Cross multiply
    13,534.83x = 18,679.09 × 7,566.14
  4. Step 4: Simplify right side
    13,534.83x = 141,328,651.98
  5. Step 5: Solve for x
    x = 141,328,651.98/13,534.83
  6. Step 6: Final answer
    x = 10,441.85

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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.