Home / 19,490.68-26,895.50-11,933.76

Finding the Fourth Proportional to 19,490.68, 26,895.50 and 11,933.76

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Solution

The fourth proportional to 19,490.68, 26,895.50 and 11,933.76 is: 16,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.68 : 26,895.50 = 11,933.76 : x
  2. Step 2: Convert to fraction form
    19,490.68/26,895.50 = 11,933.76/x
  3. Step 3: Cross multiply
    19,490.68x = 26,895.50 × 11,933.76
  4. Step 4: Simplify right side
    19,490.68x = 320,964,442.08
  5. Step 5: Solve for x
    x = 320,964,442.08/19,490.68
  6. Step 6: Final answer
    x = 16,467.59

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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.