Home / 19,557.28-26,981.96-12,846.52

Finding the Fourth Proportional to 19,557.28, 26,981.96 and 12,846.52

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Solution

The fourth proportional to 19,557.28, 26,981.96 and 12,846.52 is: 17,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.28 : 26,981.96 = 12,846.52 : x
  2. Step 2: Convert to fraction form
    19,557.28/26,981.96 = 12,846.52/x
  3. Step 3: Cross multiply
    19,557.28x = 26,981.96 × 12,846.52
  4. Step 4: Simplify right side
    19,557.28x = 346,624,288.78
  5. Step 5: Solve for x
    x = 346,624,288.78/19,557.28
  6. Step 6: Final answer
    x = 17,723.54

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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.