Home / 16,021.87-22,120.58-14,340.36

Finding the Fourth Proportional to 16,021.87, 22,120.58 and 14,340.36

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Solution

The fourth proportional to 16,021.87, 22,120.58 and 14,340.36 is: 19,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.87 : 22,120.58 = 14,340.36 : x
  2. Step 2: Convert to fraction form
    16,021.87/22,120.58 = 14,340.36/x
  3. Step 3: Cross multiply
    16,021.87x = 22,120.58 × 14,340.36
  4. Step 4: Simplify right side
    16,021.87x = 317,217,080.61
  5. Step 5: Solve for x
    x = 317,217,080.61/16,021.87
  6. Step 6: Final answer
    x = 19,799.00

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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.