Home / 18,023.06-24,849.33-13,779.38

Finding the Fourth Proportional to 18,023.06, 24,849.33 and 13,779.38

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Solution

The fourth proportional to 18,023.06, 24,849.33 and 13,779.38 is: 18,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.06 : 24,849.33 = 13,779.38 : x
  2. Step 2: Convert to fraction form
    18,023.06/24,849.33 = 13,779.38/x
  3. Step 3: Cross multiply
    18,023.06x = 24,849.33 × 13,779.38
  4. Step 4: Simplify right side
    18,023.06x = 342,408,360.82
  5. Step 5: Solve for x
    x = 342,408,360.82/18,023.06
  6. Step 6: Final answer
    x = 18,998.35

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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.