Home / 29,383.30-40,538.82-18,779.14

Finding the Fourth Proportional to 29,383.30, 40,538.82 and 18,779.14

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Solution

The fourth proportional to 29,383.30, 40,538.82 and 18,779.14 is: 25,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,383.30 : 40,538.82 = 18,779.14 : x
  2. Step 2: Convert to fraction form
    29,383.30/40,538.82 = 18,779.14/x
  3. Step 3: Cross multiply
    29,383.30x = 40,538.82 × 18,779.14
  4. Step 4: Simplify right side
    29,383.30x = 761,284,176.21
  5. Step 5: Solve for x
    x = 761,284,176.21/29,383.30
  6. Step 6: Final answer
    x = 25,908.74

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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.