Home / 23,736.31-32,748.71-15,779.88

Finding the Fourth Proportional to 23,736.31, 32,748.71 and 15,779.88

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Solution

The fourth proportional to 23,736.31, 32,748.71 and 15,779.88 is: 21,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,736.31 : 32,748.71 = 15,779.88 : x
  2. Step 2: Convert to fraction form
    23,736.31/32,748.71 = 15,779.88/x
  3. Step 3: Cross multiply
    23,736.31x = 32,748.71 × 15,779.88
  4. Step 4: Simplify right side
    23,736.31x = 516,770,635.06
  5. Step 5: Solve for x
    x = 516,770,635.06/23,736.31
  6. Step 6: Final answer
    x = 21,771.32

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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.