Home / 19,557.27-29,335.77-4,765.86

Finding the Fourth Proportional to 19,557.27, 29,335.77 and 4,765.86

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Solution

The fourth proportional to 19,557.27, 29,335.77 and 4,765.86 is: 7,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.27 : 29,335.77 = 4,765.86 : x
  2. Step 2: Convert to fraction form
    19,557.27/29,335.77 = 4,765.86/x
  3. Step 3: Cross multiply
    19,557.27x = 29,335.77 × 4,765.86
  4. Step 4: Simplify right side
    19,557.27x = 139,810,172.81
  5. Step 5: Solve for x
    x = 139,810,172.81/19,557.27
  6. Step 6: Final answer
    x = 7,148.76

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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.