Home / 19,913.66-29,870.56-5,873.86

Finding the Fourth Proportional to 19,913.66, 29,870.56 and 5,873.86

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Solution

The fourth proportional to 19,913.66, 29,870.56 and 5,873.86 is: 8,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.66 : 29,870.56 = 5,873.86 : x
  2. Step 2: Convert to fraction form
    19,913.66/29,870.56 = 5,873.86/x
  3. Step 3: Cross multiply
    19,913.66x = 29,870.56 × 5,873.86
  4. Step 4: Simplify right side
    19,913.66x = 175,455,487.56
  5. Step 5: Solve for x
    x = 175,455,487.56/19,913.66
  6. Step 6: Final answer
    x = 8,810.81

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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.