Home / 27,551.52-38,021.40-14,976.30

Finding the Fourth Proportional to 27,551.52, 38,021.40 and 14,976.30

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Solution

The fourth proportional to 27,551.52, 38,021.40 and 14,976.30 is: 20,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.52 : 38,021.40 = 14,976.30 : x
  2. Step 2: Convert to fraction form
    27,551.52/38,021.40 = 14,976.30/x
  3. Step 3: Cross multiply
    27,551.52x = 38,021.40 × 14,976.30
  4. Step 4: Simplify right side
    27,551.52x = 569,419,892.82
  5. Step 5: Solve for x
    x = 569,419,892.82/27,551.52
  6. Step 6: Final answer
    x = 20,667.46

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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.