Home / 20,599.94-28,429.01-13,043.52

Finding the Fourth Proportional to 20,599.94, 28,429.01 and 13,043.52

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Solution

The fourth proportional to 20,599.94, 28,429.01 and 13,043.52 is: 18,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.94 : 28,429.01 = 13,043.52 : x
  2. Step 2: Convert to fraction form
    20,599.94/28,429.01 = 13,043.52/x
  3. Step 3: Cross multiply
    20,599.94x = 28,429.01 × 13,043.52
  4. Step 4: Simplify right side
    20,599.94x = 370,814,344.21
  5. Step 5: Solve for x
    x = 370,814,344.21/20,599.94
  6. Step 6: Final answer
    x = 18,000.75

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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.