Home / 27,490.86-37,968.35-18,575.19

Finding the Fourth Proportional to 27,490.86, 37,968.35 and 18,575.19

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Solution

The fourth proportional to 27,490.86, 37,968.35 and 18,575.19 is: 25,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.86 : 37,968.35 = 18,575.19 : x
  2. Step 2: Convert to fraction form
    27,490.86/37,968.35 = 18,575.19/x
  3. Step 3: Cross multiply
    27,490.86x = 37,968.35 × 18,575.19
  4. Step 4: Simplify right side
    27,490.86x = 705,269,222.36
  5. Step 5: Solve for x
    x = 705,269,222.36/27,490.86
  6. Step 6: Final answer
    x = 25,654.68

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Half scale
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Double scale
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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.