Home / 27,660.51-38,174.94-16,903.17

Finding the Fourth Proportional to 27,660.51, 38,174.94 and 16,903.17

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Solution

The fourth proportional to 27,660.51, 38,174.94 and 16,903.17 is: 23,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.51 : 38,174.94 = 16,903.17 : x
  2. Step 2: Convert to fraction form
    27,660.51/38,174.94 = 16,903.17/x
  3. Step 3: Cross multiply
    27,660.51x = 38,174.94 × 16,903.17
  4. Step 4: Simplify right side
    27,660.51x = 645,277,553.74
  5. Step 5: Solve for x
    x = 645,277,553.74/27,660.51
  6. Step 6: Final answer
    x = 23,328.47

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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.