Home / 15,971.58-23,941.05-5,574.78

Finding the Fourth Proportional to 15,971.58, 23,941.05 and 5,574.78

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Solution

The fourth proportional to 15,971.58, 23,941.05 and 5,574.78 is: 8,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.58 : 23,941.05 = 5,574.78 : x
  2. Step 2: Convert to fraction form
    15,971.58/23,941.05 = 5,574.78/x
  3. Step 3: Cross multiply
    15,971.58x = 23,941.05 × 5,574.78
  4. Step 4: Simplify right side
    15,971.58x = 133,466,086.72
  5. Step 5: Solve for x
    x = 133,466,086.72/15,971.58
  6. Step 6: Final answer
    x = 8,356.47

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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.