Home / 18,148.58-27,213.87-10,653.92

Finding the Fourth Proportional to 18,148.58, 27,213.87 and 10,653.92

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Solution

The fourth proportional to 18,148.58, 27,213.87 and 10,653.92 is: 15,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.58 : 27,213.87 = 10,653.92 : x
  2. Step 2: Convert to fraction form
    18,148.58/27,213.87 = 10,653.92/x
  3. Step 3: Cross multiply
    18,148.58x = 27,213.87 × 10,653.92
  4. Step 4: Simplify right side
    18,148.58x = 289,934,393.87
  5. Step 5: Solve for x
    x = 289,934,393.87/18,148.58
  6. Step 6: Final answer
    x = 15,975.60

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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.