Home / 20,152.33-27,827.00-16,812.65

Finding the Fourth Proportional to 20,152.33, 27,827.00 and 16,812.65

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Solution

The fourth proportional to 20,152.33, 27,827.00 and 16,812.65 is: 23,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.33 : 27,827.00 = 16,812.65 : x
  2. Step 2: Convert to fraction form
    20,152.33/27,827.00 = 16,812.65/x
  3. Step 3: Cross multiply
    20,152.33x = 27,827.00 × 16,812.65
  4. Step 4: Simplify right side
    20,152.33x = 467,845,723.15
  5. Step 5: Solve for x
    x = 467,845,723.15/20,152.33
  6. Step 6: Final answer
    x = 23,215.47

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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.