Home / 18,536.42-27,743.88-16,809.50

Finding the Fourth Proportional to 18,536.42, 27,743.88 and 16,809.50

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Solution

The fourth proportional to 18,536.42, 27,743.88 and 16,809.50 is: 25,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.42 : 27,743.88 = 16,809.50 : x
  2. Step 2: Convert to fraction form
    18,536.42/27,743.88 = 16,809.50/x
  3. Step 3: Cross multiply
    18,536.42x = 27,743.88 × 16,809.50
  4. Step 4: Simplify right side
    18,536.42x = 466,360,750.86
  5. Step 5: Solve for x
    x = 466,360,750.86/18,536.42
  6. Step 6: Final answer
    x = 25,159.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.