Home / 18,160.54-27,242.38-5,012.91

Finding the Fourth Proportional to 18,160.54, 27,242.38 and 5,012.91

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Solution

The fourth proportional to 18,160.54, 27,242.38 and 5,012.91 is: 7,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.54 : 27,242.38 = 5,012.91 : x
  2. Step 2: Convert to fraction form
    18,160.54/27,242.38 = 5,012.91/x
  3. Step 3: Cross multiply
    18,160.54x = 27,242.38 × 5,012.91
  4. Step 4: Simplify right side
    18,160.54x = 136,563,574.06
  5. Step 5: Solve for x
    x = 136,563,574.06/18,160.54
  6. Step 6: Final answer
    x = 7,519.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.