Home / 19,240.21-26,543.68-10,855.09

Finding the Fourth Proportional to 19,240.21, 26,543.68 and 10,855.09

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Solution

The fourth proportional to 19,240.21, 26,543.68 and 10,855.09 is: 14,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.21 : 26,543.68 = 10,855.09 : x
  2. Step 2: Convert to fraction form
    19,240.21/26,543.68 = 10,855.09/x
  3. Step 3: Cross multiply
    19,240.21x = 26,543.68 × 10,855.09
  4. Step 4: Simplify right side
    19,240.21x = 288,134,035.33
  5. Step 5: Solve for x
    x = 288,134,035.33/19,240.21
  6. Step 6: Final answer
    x = 14,975.62

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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.