Home / 19,178.98-26,460.80-11,622.92

Finding the Fourth Proportional to 19,178.98, 26,460.80 and 11,622.92

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Solution

The fourth proportional to 19,178.98, 26,460.80 and 11,622.92 is: 16,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.98 : 26,460.80 = 11,622.92 : x
  2. Step 2: Convert to fraction form
    19,178.98/26,460.80 = 11,622.92/x
  3. Step 3: Cross multiply
    19,178.98x = 26,460.80 × 11,622.92
  4. Step 4: Simplify right side
    19,178.98x = 307,551,761.54
  5. Step 5: Solve for x
    x = 307,551,761.54/19,178.98
  6. Step 6: Final answer
    x = 16,035.88

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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.