Home / 18,457.33-25,462.25-12,081.11

Finding the Fourth Proportional to 18,457.33, 25,462.25 and 12,081.11

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Solution

The fourth proportional to 18,457.33, 25,462.25 and 12,081.11 is: 16,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.33 : 25,462.25 = 12,081.11 : x
  2. Step 2: Convert to fraction form
    18,457.33/25,462.25 = 12,081.11/x
  3. Step 3: Cross multiply
    18,457.33x = 25,462.25 × 12,081.11
  4. Step 4: Simplify right side
    18,457.33x = 307,612,243.10
  5. Step 5: Solve for x
    x = 307,612,243.10/18,457.33
  6. Step 6: Final answer
    x = 16,666.13

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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.