Home / 20,089.32-27,696.90-16,491.12

Finding the Fourth Proportional to 20,089.32, 27,696.90 and 16,491.12

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Solution

The fourth proportional to 20,089.32, 27,696.90 and 16,491.12 is: 22,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.32 : 27,696.90 = 16,491.12 : x
  2. Step 2: Convert to fraction form
    20,089.32/27,696.90 = 16,491.12/x
  3. Step 3: Cross multiply
    20,089.32x = 27,696.90 × 16,491.12
  4. Step 4: Simplify right side
    20,089.32x = 456,752,901.53
  5. Step 5: Solve for x
    x = 456,752,901.53/20,089.32
  6. Step 6: Final answer
    x = 22,736.11

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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.