Home / 19,231.68-26,532.59-11,271

Finding the Fourth Proportional to 19,231.68, 26,532.59 and 11,271

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Solution

The fourth proportional to 19,231.68, 26,532.59 and 11,271 is: 15,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.68 : 26,532.59 = 11,271 : x
  2. Step 2: Convert to fraction form
    19,231.68/26,532.59 = 11,271/x
  3. Step 3: Cross multiply
    19,231.68x = 26,532.59 × 11,271
  4. Step 4: Simplify right side
    19,231.68x = 299,048,821.89
  5. Step 5: Solve for x
    x = 299,048,821.89/19,231.68
  6. Step 6: Final answer
    x = 15,549.80

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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.