Home / 27,561.50-38,034.87-14,986.34

Finding the Fourth Proportional to 27,561.50, 38,034.87 and 14,986.34

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Solution

The fourth proportional to 27,561.50, 38,034.87 and 14,986.34 is: 20,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.50 : 38,034.87 = 14,986.34 : x
  2. Step 2: Convert to fraction form
    27,561.50/38,034.87 = 14,986.34/x
  3. Step 3: Cross multiply
    27,561.50x = 38,034.87 × 14,986.34
  4. Step 4: Simplify right side
    27,561.50x = 570,003,493.68
  5. Step 5: Solve for x
    x = 570,003,493.68/27,561.50
  6. Step 6: Final answer
    x = 20,681.15

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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.