Home / 19,278.36-26,596.26-12,992.76

Finding the Fourth Proportional to 19,278.36, 26,596.26 and 12,992.76

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Solution

The fourth proportional to 19,278.36, 26,596.26 and 12,992.76 is: 17,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.36 : 26,596.26 = 12,992.76 : x
  2. Step 2: Convert to fraction form
    19,278.36/26,596.26 = 12,992.76/x
  3. Step 3: Cross multiply
    19,278.36x = 26,596.26 × 12,992.76
  4. Step 4: Simplify right side
    19,278.36x = 345,558,823.08
  5. Step 5: Solve for x
    x = 345,558,823.08/19,278.36
  6. Step 6: Final answer
    x = 17,924.70

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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.