Home / 15,775.42-23,650.64-7,873.87

Finding the Fourth Proportional to 15,775.42, 23,650.64 and 7,873.87

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Solution

The fourth proportional to 15,775.42, 23,650.64 and 7,873.87 is: 11,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.42 : 23,650.64 = 7,873.87 : x
  2. Step 2: Convert to fraction form
    15,775.42/23,650.64 = 7,873.87/x
  3. Step 3: Cross multiply
    15,775.42x = 23,650.64 × 7,873.87
  4. Step 4: Simplify right side
    15,775.42x = 186,221,966.28
  5. Step 5: Solve for x
    x = 186,221,966.28/15,775.42
  6. Step 6: Final answer
    x = 11,804.57

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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.