Home / 13,575.17-18,734.27-7,606.89

Finding the Fourth Proportional to 13,575.17, 18,734.27 and 7,606.89

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Solution

The fourth proportional to 13,575.17, 18,734.27 and 7,606.89 is: 10,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.17 : 18,734.27 = 7,606.89 : x
  2. Step 2: Convert to fraction form
    13,575.17/18,734.27 = 7,606.89/x
  3. Step 3: Cross multiply
    13,575.17x = 18,734.27 × 7,606.89
  4. Step 4: Simplify right side
    13,575.17x = 142,509,493.09
  5. Step 5: Solve for x
    x = 142,509,493.09/13,575.17
  6. Step 6: Final answer
    x = 10,497.81

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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.