Home / 20,367.99-28,065.69-16,373.07

Finding the Fourth Proportional to 20,367.99, 28,065.69 and 16,373.07

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Solution

The fourth proportional to 20,367.99, 28,065.69 and 16,373.07 is: 22,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.99 : 28,065.69 = 16,373.07 : x
  2. Step 2: Convert to fraction form
    20,367.99/28,065.69 = 16,373.07/x
  3. Step 3: Cross multiply
    20,367.99x = 28,065.69 × 16,373.07
  4. Step 4: Simplify right side
    20,367.99x = 459,521,506.97
  5. Step 5: Solve for x
    x = 459,521,506.97/20,367.99
  6. Step 6: Final answer
    x = 22,560.96

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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.