Home / 18,090.99-24,966.36-11,374.07

Finding the Fourth Proportional to 18,090.99, 24,966.36 and 11,374.07

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Solution

The fourth proportional to 18,090.99, 24,966.36 and 11,374.07 is: 15,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.99 : 24,966.36 = 11,374.07 : x
  2. Step 2: Convert to fraction form
    18,090.99/24,966.36 = 11,374.07/x
  3. Step 3: Cross multiply
    18,090.99x = 24,966.36 × 11,374.07
  4. Step 4: Simplify right side
    18,090.99x = 283,969,001.45
  5. Step 5: Solve for x
    x = 283,969,001.45/18,090.99
  6. Step 6: Final answer
    x = 15,696.71

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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.