Home / 27,313.76-37,710.36-19,784.99

Finding the Fourth Proportional to 27,313.76, 37,710.36 and 19,784.99

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Solution

The fourth proportional to 27,313.76, 37,710.36 and 19,784.99 is: 27,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.76 : 37,710.36 = 19,784.99 : x
  2. Step 2: Convert to fraction form
    27,313.76/37,710.36 = 19,784.99/x
  3. Step 3: Cross multiply
    27,313.76x = 37,710.36 × 19,784.99
  4. Step 4: Simplify right side
    27,313.76x = 746,098,906.94
  5. Step 5: Solve for x
    x = 746,098,906.94/27,313.76
  6. Step 6: Final answer
    x = 27,315.87

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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.