Home / 20,498.87-28,296.38-16,024.07

Finding the Fourth Proportional to 20,498.87, 28,296.38 and 16,024.07

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Solution

The fourth proportional to 20,498.87, 28,296.38 and 16,024.07 is: 22,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.87 : 28,296.38 = 16,024.07 : x
  2. Step 2: Convert to fraction form
    20,498.87/28,296.38 = 16,024.07/x
  3. Step 3: Cross multiply
    20,498.87x = 28,296.38 × 16,024.07
  4. Step 4: Simplify right side
    20,498.87x = 453,423,284.67
  5. Step 5: Solve for x
    x = 453,423,284.67/20,498.87
  6. Step 6: Final answer
    x = 22,119.43

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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.