Home / 27,551.08-38,020.88-14,975.84

Finding the Fourth Proportional to 27,551.08, 38,020.88 and 14,975.84

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Solution

The fourth proportional to 27,551.08, 38,020.88 and 14,975.84 is: 20,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.08 : 38,020.88 = 14,975.84 : x
  2. Step 2: Convert to fraction form
    27,551.08/38,020.88 = 14,975.84/x
  3. Step 3: Cross multiply
    27,551.08x = 38,020.88 × 14,975.84
  4. Step 4: Simplify right side
    27,551.08x = 569,394,615.54
  5. Step 5: Solve for x
    x = 569,394,615.54/27,551.08
  6. Step 6: Final answer
    x = 20,666.87

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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.