Home / 19,919.03-27,488.04-10,966.35

Finding the Fourth Proportional to 19,919.03, 27,488.04 and 10,966.35

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Solution

The fourth proportional to 19,919.03, 27,488.04 and 10,966.35 is: 15,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.03 : 27,488.04 = 10,966.35 : x
  2. Step 2: Convert to fraction form
    19,919.03/27,488.04 = 10,966.35/x
  3. Step 3: Cross multiply
    19,919.03x = 27,488.04 × 10,966.35
  4. Step 4: Simplify right side
    19,919.03x = 301,443,467.45
  5. Step 5: Solve for x
    x = 301,443,467.45/19,919.03
  6. Step 6: Final answer
    x = 15,133.44

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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.