Home / 27,561.54-38,034.72-14,986.29

Finding the Fourth Proportional to 27,561.54, 38,034.72 and 14,986.29

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Solution

The fourth proportional to 27,561.54, 38,034.72 and 14,986.29 is: 20,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.54 : 38,034.72 = 14,986.29 : x
  2. Step 2: Convert to fraction form
    27,561.54/38,034.72 = 14,986.29/x
  3. Step 3: Cross multiply
    27,561.54x = 38,034.72 × 14,986.29
  4. Step 4: Simplify right side
    27,561.54x = 569,999,343.99
  5. Step 5: Solve for x
    x = 569,999,343.99/27,561.54
  6. Step 6: Final answer
    x = 20,680.97

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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.