Home / 18,293.53-27,439.67-7,756.77

Finding the Fourth Proportional to 18,293.53, 27,439.67 and 7,756.77

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Solution

The fourth proportional to 18,293.53, 27,439.67 and 7,756.77 is: 11,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.53 : 27,439.67 = 7,756.77 : x
  2. Step 2: Convert to fraction form
    18,293.53/27,439.67 = 7,756.77/x
  3. Step 3: Cross multiply
    18,293.53x = 27,439.67 × 7,756.77
  4. Step 4: Simplify right side
    18,293.53x = 212,843,209.07
  5. Step 5: Solve for x
    x = 212,843,209.07/18,293.53
  6. Step 6: Final answer
    x = 11,634.89

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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.