Home / 18,090.30-24,967.82-11,370.74

Finding the Fourth Proportional to 18,090.30, 24,967.82 and 11,370.74

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Solution

The fourth proportional to 18,090.30, 24,967.82 and 11,370.74 is: 15,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.30 : 24,967.82 = 11,370.74 : x
  2. Step 2: Convert to fraction form
    18,090.30/24,967.82 = 11,370.74/x
  3. Step 3: Cross multiply
    18,090.30x = 24,967.82 × 11,370.74
  4. Step 4: Simplify right side
    18,090.30x = 283,902,531.42
  5. Step 5: Solve for x
    x = 283,902,531.42/18,090.30
  6. Step 6: Final answer
    x = 15,693.64

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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.