Home / 19,760.06-27,270.74-11,262.62

Finding the Fourth Proportional to 19,760.06, 27,270.74 and 11,262.62

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Solution

The fourth proportional to 19,760.06, 27,270.74 and 11,262.62 is: 15,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.06 : 27,270.74 = 11,262.62 : x
  2. Step 2: Convert to fraction form
    19,760.06/27,270.74 = 11,262.62/x
  3. Step 3: Cross multiply
    19,760.06x = 27,270.74 × 11,262.62
  4. Step 4: Simplify right side
    19,760.06x = 307,139,981.74
  5. Step 5: Solve for x
    x = 307,139,981.74/19,760.06
  6. Step 6: Final answer
    x = 15,543.47

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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.