Home / 20,596.84-28,426.67-13,043.86

Finding the Fourth Proportional to 20,596.84, 28,426.67 and 13,043.86

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Solution

The fourth proportional to 20,596.84, 28,426.67 and 13,043.86 is: 18,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.84 : 28,426.67 = 13,043.86 : x
  2. Step 2: Convert to fraction form
    20,596.84/28,426.67 = 13,043.86/x
  3. Step 3: Cross multiply
    20,596.84x = 28,426.67 × 13,043.86
  4. Step 4: Simplify right side
    20,596.84x = 370,793,503.75
  5. Step 5: Solve for x
    x = 370,793,503.75/20,596.84
  6. Step 6: Final answer
    x = 18,002.45

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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.