Home / 19,558.86-29,338.32-5,707.86

Finding the Fourth Proportional to 19,558.86, 29,338.32 and 5,707.86

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Solution

The fourth proportional to 19,558.86, 29,338.32 and 5,707.86 is: 8,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.86 : 29,338.32 = 5,707.86 : x
  2. Step 2: Convert to fraction form
    19,558.86/29,338.32 = 5,707.86/x
  3. Step 3: Cross multiply
    19,558.86x = 29,338.32 × 5,707.86
  4. Step 4: Simplify right side
    19,558.86x = 167,459,023.20
  5. Step 5: Solve for x
    x = 167,459,023.20/19,558.86
  6. Step 6: Final answer
    x = 8,561.80

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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.