Home / 19,615.56-27,054.18-16,271.88

Finding the Fourth Proportional to 19,615.56, 27,054.18 and 16,271.88

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Solution

The fourth proportional to 19,615.56, 27,054.18 and 16,271.88 is: 22,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.56 : 27,054.18 = 16,271.88 : x
  2. Step 2: Convert to fraction form
    19,615.56/27,054.18 = 16,271.88/x
  3. Step 3: Cross multiply
    19,615.56x = 27,054.18 × 16,271.88
  4. Step 4: Simplify right side
    19,615.56x = 440,222,370.46
  5. Step 5: Solve for x
    x = 440,222,370.46/19,615.56
  6. Step 6: Final answer
    x = 22,442.51

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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.