Home / 18,449.33-25,459.62-10,491.05

Finding the Fourth Proportional to 18,449.33, 25,459.62 and 10,491.05

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Solution

The fourth proportional to 18,449.33, 25,459.62 and 10,491.05 is: 14,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.33 : 25,459.62 = 10,491.05 : x
  2. Step 2: Convert to fraction form
    18,449.33/25,459.62 = 10,491.05/x
  3. Step 3: Cross multiply
    18,449.33x = 25,459.62 × 10,491.05
  4. Step 4: Simplify right side
    18,449.33x = 267,098,019.10
  5. Step 5: Solve for x
    x = 267,098,019.10/18,449.33
  6. Step 6: Final answer
    x = 14,477.39

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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.