Home / 24,390.86-33,657.76-13,779.81

Finding the Fourth Proportional to 24,390.86, 33,657.76 and 13,779.81

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Solution

The fourth proportional to 24,390.86, 33,657.76 and 13,779.81 is: 19,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.86 : 33,657.76 = 13,779.81 : x
  2. Step 2: Convert to fraction form
    24,390.86/33,657.76 = 13,779.81/x
  3. Step 3: Cross multiply
    24,390.86x = 33,657.76 × 13,779.81
  4. Step 4: Simplify right side
    24,390.86x = 463,797,478.65
  5. Step 5: Solve for x
    x = 463,797,478.65/24,390.86
  6. Step 6: Final answer
    x = 19,015.22

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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.