Home / 25,721.92-35,500.64-14,973

Finding the Fourth Proportional to 25,721.92, 35,500.64 and 14,973

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Solution

The fourth proportional to 25,721.92, 35,500.64 and 14,973 is: 20,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.92 : 35,500.64 = 14,973 : x
  2. Step 2: Convert to fraction form
    25,721.92/35,500.64 = 14,973/x
  3. Step 3: Cross multiply
    25,721.92x = 35,500.64 × 14,973
  4. Step 4: Simplify right side
    25,721.92x = 531,551,082.72
  5. Step 5: Solve for x
    x = 531,551,082.72/25,721.92
  6. Step 6: Final answer
    x = 20,665.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.