Home / 19,651.03-27,119.13-10,698.10

Finding the Fourth Proportional to 19,651.03, 27,119.13 and 10,698.10

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Solution

The fourth proportional to 19,651.03, 27,119.13 and 10,698.10 is: 14,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.03 : 27,119.13 = 10,698.10 : x
  2. Step 2: Convert to fraction form
    19,651.03/27,119.13 = 10,698.10/x
  3. Step 3: Cross multiply
    19,651.03x = 27,119.13 × 10,698.10
  4. Step 4: Simplify right side
    19,651.03x = 290,123,164.65
  5. Step 5: Solve for x
    x = 290,123,164.65/19,651.03
  6. Step 6: Final answer
    x = 14,763.76

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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.