Home / 19,632.24-27,090.45-11,678.85

Finding the Fourth Proportional to 19,632.24, 27,090.45 and 11,678.85

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Solution

The fourth proportional to 19,632.24, 27,090.45 and 11,678.85 is: 16,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.24 : 27,090.45 = 11,678.85 : x
  2. Step 2: Convert to fraction form
    19,632.24/27,090.45 = 11,678.85/x
  3. Step 3: Cross multiply
    19,632.24x = 27,090.45 × 11,678.85
  4. Step 4: Simplify right side
    19,632.24x = 316,385,301.98
  5. Step 5: Solve for x
    x = 316,385,301.98/19,632.24
  6. Step 6: Final answer
    x = 16,115.60

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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.