Home / 13,127.58-19,694.88-5,732.64

Finding the Fourth Proportional to 13,127.58, 19,694.88 and 5,732.64

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Solution

The fourth proportional to 13,127.58, 19,694.88 and 5,732.64 is: 8,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.58 : 19,694.88 = 5,732.64 : x
  2. Step 2: Convert to fraction form
    13,127.58/19,694.88 = 5,732.64/x
  3. Step 3: Cross multiply
    13,127.58x = 19,694.88 × 5,732.64
  4. Step 4: Simplify right side
    13,127.58x = 112,903,656.88
  5. Step 5: Solve for x
    x = 112,903,656.88/13,127.58
  6. Step 6: Final answer
    x = 8,600.49

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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.