Home / 27,548.12-38,016.60-14,972.88

Finding the Fourth Proportional to 27,548.12, 38,016.60 and 14,972.88

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Solution

The fourth proportional to 27,548.12, 38,016.60 and 14,972.88 is: 20,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.12 : 38,016.60 = 14,972.88 : x
  2. Step 2: Convert to fraction form
    27,548.12/38,016.60 = 14,972.88/x
  3. Step 3: Cross multiply
    27,548.12x = 38,016.60 × 14,972.88
  4. Step 4: Simplify right side
    27,548.12x = 569,217,989.81
  5. Step 5: Solve for x
    x = 569,217,989.81/27,548.12
  6. Step 6: Final answer
    x = 20,662.68

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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.