Home / 18,353.10-25,331.31-12,066.06

Finding the Fourth Proportional to 18,353.10, 25,331.31 and 12,066.06

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Solution

The fourth proportional to 18,353.10, 25,331.31 and 12,066.06 is: 16,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.10 : 25,331.31 = 12,066.06 : x
  2. Step 2: Convert to fraction form
    18,353.10/25,331.31 = 12,066.06/x
  3. Step 3: Cross multiply
    18,353.10x = 25,331.31 × 12,066.06
  4. Step 4: Simplify right side
    18,353.10x = 305,649,106.34
  5. Step 5: Solve for x
    x = 305,649,106.34/18,353.10
  6. Step 6: Final answer
    x = 16,653.81

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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.