Home / 25,573.73-38,362.41-8,931.87

Finding the Fourth Proportional to 25,573.73, 38,362.41 and 8,931.87

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Solution

The fourth proportional to 25,573.73, 38,362.41 and 8,931.87 is: 13,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,573.73 : 38,362.41 = 8,931.87 : x
  2. Step 2: Convert to fraction form
    25,573.73/38,362.41 = 8,931.87/x
  3. Step 3: Cross multiply
    25,573.73x = 38,362.41 × 8,931.87
  4. Step 4: Simplify right side
    25,573.73x = 342,648,059.01
  5. Step 5: Solve for x
    x = 342,648,059.01/25,573.73
  6. Step 6: Final answer
    x = 13,398.44

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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.