Home / 19,674.94-27,152.76-12,021.49

Finding the Fourth Proportional to 19,674.94, 27,152.76 and 12,021.49

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Solution

The fourth proportional to 19,674.94, 27,152.76 and 12,021.49 is: 16,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.94 : 27,152.76 = 12,021.49 : x
  2. Step 2: Convert to fraction form
    19,674.94/27,152.76 = 12,021.49/x
  3. Step 3: Cross multiply
    19,674.94x = 27,152.76 × 12,021.49
  4. Step 4: Simplify right side
    19,674.94x = 326,416,632.81
  5. Step 5: Solve for x
    x = 326,416,632.81/19,674.94
  6. Step 6: Final answer
    x = 16,590.48

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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.