Home / 19,934.58-27,509.40-11,873.88

Finding the Fourth Proportional to 19,934.58, 27,509.40 and 11,873.88

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Solution

The fourth proportional to 19,934.58, 27,509.40 and 11,873.88 is: 16,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.58 : 27,509.40 = 11,873.88 : x
  2. Step 2: Convert to fraction form
    19,934.58/27,509.40 = 11,873.88/x
  3. Step 3: Cross multiply
    19,934.58x = 27,509.40 × 11,873.88
  4. Step 4: Simplify right side
    19,934.58x = 326,643,314.47
  5. Step 5: Solve for x
    x = 326,643,314.47/19,934.58
  6. Step 6: Final answer
    x = 16,385.76

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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.