Home / 19,632.36-27,102.69-15,146.04

Finding the Fourth Proportional to 19,632.36, 27,102.69 and 15,146.04

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Solution

The fourth proportional to 19,632.36, 27,102.69 and 15,146.04 is: 20,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.36 : 27,102.69 = 15,146.04 : x
  2. Step 2: Convert to fraction form
    19,632.36/27,102.69 = 15,146.04/x
  3. Step 3: Cross multiply
    19,632.36x = 27,102.69 × 15,146.04
  4. Step 4: Simplify right side
    19,632.36x = 410,498,426.85
  5. Step 5: Solve for x
    x = 410,498,426.85/19,632.36
  6. Step 6: Final answer
    x = 20,909.28

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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.