Home / 53,615.31-80,428.43-18,546.76

Finding the Fourth Proportional to 53,615.31, 80,428.43 and 18,546.76

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Solution

The fourth proportional to 53,615.31, 80,428.43 and 18,546.76 is: 27,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.31 : 80,428.43 = 18,546.76 : x
  2. Step 2: Convert to fraction form
    53,615.31/80,428.43 = 18,546.76/x
  3. Step 3: Cross multiply
    53,615.31x = 80,428.43 × 18,546.76
  4. Step 4: Simplify right side
    53,615.31x = 1,491,686,788.39
  5. Step 5: Solve for x
    x = 1,491,686,788.39/53,615.31
  6. Step 6: Final answer
    x = 27,822.03

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1.5x scale

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.