Home / 19,176.87-26,472.27-12,892.89

Finding the Fourth Proportional to 19,176.87, 26,472.27 and 12,892.89

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Solution

The fourth proportional to 19,176.87, 26,472.27 and 12,892.89 is: 17,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.87 : 26,472.27 = 12,892.89 : x
  2. Step 2: Convert to fraction form
    19,176.87/26,472.27 = 12,892.89/x
  3. Step 3: Cross multiply
    19,176.87x = 26,472.27 × 12,892.89
  4. Step 4: Simplify right side
    19,176.87x = 341,303,991.35
  5. Step 5: Solve for x
    x = 341,303,991.35/19,176.87
  6. Step 6: Final answer
    x = 17,797.69

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1.5x scale

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.