Home / 20,392.54-28,125.48-16,849.60

Finding the Fourth Proportional to 20,392.54, 28,125.48 and 16,849.60

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Solution

The fourth proportional to 20,392.54, 28,125.48 and 16,849.60 is: 23,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.54 : 28,125.48 = 16,849.60 : x
  2. Step 2: Convert to fraction form
    20,392.54/28,125.48 = 16,849.60/x
  3. Step 3: Cross multiply
    20,392.54x = 28,125.48 × 16,849.60
  4. Step 4: Simplify right side
    20,392.54x = 473,903,087.81
  5. Step 5: Solve for x
    x = 473,903,087.81/20,392.54
  6. Step 6: Final answer
    x = 23,239.04

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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.