Home / 27,551.84-38,021.76-14,976.56

Finding the Fourth Proportional to 27,551.84, 38,021.76 and 14,976.56

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Solution

The fourth proportional to 27,551.84, 38,021.76 and 14,976.56 is: 20,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.84 : 38,021.76 = 14,976.56 : x
  2. Step 2: Convert to fraction form
    27,551.84/38,021.76 = 14,976.56/x
  3. Step 3: Cross multiply
    27,551.84x = 38,021.76 × 14,976.56
  4. Step 4: Simplify right side
    27,551.84x = 569,435,169.95
  5. Step 5: Solve for x
    x = 569,435,169.95/27,551.84
  6. Step 6: Final answer
    x = 20,667.77

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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.