Home / 13,606.63-20,397.65-4,839.50

Finding the Fourth Proportional to 13,606.63, 20,397.65 and 4,839.50

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Solution

The fourth proportional to 13,606.63, 20,397.65 and 4,839.50 is: 7,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.63 : 20,397.65 = 4,839.50 : x
  2. Step 2: Convert to fraction form
    13,606.63/20,397.65 = 4,839.50/x
  3. Step 3: Cross multiply
    13,606.63x = 20,397.65 × 4,839.50
  4. Step 4: Simplify right side
    13,606.63x = 98,714,453.97
  5. Step 5: Solve for x
    x = 98,714,453.97/13,606.63
  6. Step 6: Final answer
    x = 7,254.88

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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.