Home / 20,034.14-27,646.80-12,080.74

Finding the Fourth Proportional to 20,034.14, 27,646.80 and 12,080.74

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Solution

The fourth proportional to 20,034.14, 27,646.80 and 12,080.74 is: 16,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.14 : 27,646.80 = 12,080.74 : x
  2. Step 2: Convert to fraction form
    20,034.14/27,646.80 = 12,080.74/x
  3. Step 3: Cross multiply
    20,034.14x = 27,646.80 × 12,080.74
  4. Step 4: Simplify right side
    20,034.14x = 333,993,802.63
  5. Step 5: Solve for x
    x = 333,993,802.63/20,034.14
  6. Step 6: Final answer
    x = 16,671.23

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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.