Home / 19,590.93-27,021.20-12,423.04

Finding the Fourth Proportional to 19,590.93, 27,021.20 and 12,423.04

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Solution

The fourth proportional to 19,590.93, 27,021.20 and 12,423.04 is: 17,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.93 : 27,021.20 = 12,423.04 : x
  2. Step 2: Convert to fraction form
    19,590.93/27,021.20 = 12,423.04/x
  3. Step 3: Cross multiply
    19,590.93x = 27,021.20 × 12,423.04
  4. Step 4: Simplify right side
    19,590.93x = 335,685,318.78
  5. Step 5: Solve for x
    x = 335,685,318.78/19,590.93
  6. Step 6: Final answer
    x = 17,134.73

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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.