Home / 27,651.89-38,147.48-18,696.13

Finding the Fourth Proportional to 27,651.89, 38,147.48 and 18,696.13

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Solution

The fourth proportional to 27,651.89, 38,147.48 and 18,696.13 is: 25,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.89 : 38,147.48 = 18,696.13 : x
  2. Step 2: Convert to fraction form
    27,651.89/38,147.48 = 18,696.13/x
  3. Step 3: Cross multiply
    27,651.89x = 38,147.48 × 18,696.13
  4. Step 4: Simplify right side
    27,651.89x = 713,210,245.25
  5. Step 5: Solve for x
    x = 713,210,245.25/27,651.89
  6. Step 6: Final answer
    x = 25,792.46

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Half scale
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Double scale
Find fourth proportional to 27,652.89, 38,148.86 and 18,697.13
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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.