Home / 19,919.06-27,488.24-10,966.58

Finding the Fourth Proportional to 19,919.06, 27,488.24 and 10,966.58

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Solution

The fourth proportional to 19,919.06, 27,488.24 and 10,966.58 is: 15,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.06 : 27,488.24 = 10,966.58 : x
  2. Step 2: Convert to fraction form
    19,919.06/27,488.24 = 10,966.58/x
  3. Step 3: Cross multiply
    19,919.06x = 27,488.24 × 10,966.58
  4. Step 4: Simplify right side
    19,919.06x = 301,451,928.19
  5. Step 5: Solve for x
    x = 301,451,928.19/19,919.06
  6. Step 6: Final answer
    x = 15,133.84

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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.