Home / 13,811.10-19,059.57-7,523.58

Finding the Fourth Proportional to 13,811.10, 19,059.57 and 7,523.58

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Solution

The fourth proportional to 13,811.10, 19,059.57 and 7,523.58 is: 10,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.10 : 19,059.57 = 7,523.58 : x
  2. Step 2: Convert to fraction form
    13,811.10/19,059.57 = 7,523.58/x
  3. Step 3: Cross multiply
    13,811.10x = 19,059.57 × 7,523.58
  4. Step 4: Simplify right side
    13,811.10x = 143,396,199.66
  5. Step 5: Solve for x
    x = 143,396,199.66/13,811.10
  6. Step 6: Final answer
    x = 10,382.68

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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.