Home / 16,331.10-24,525.45-12,642.30

Finding the Fourth Proportional to 16,331.10, 24,525.45 and 12,642.30

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Solution

The fourth proportional to 16,331.10, 24,525.45 and 12,642.30 is: 18,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.10 : 24,525.45 = 12,642.30 : x
  2. Step 2: Convert to fraction form
    16,331.10/24,525.45 = 12,642.30/x
  3. Step 3: Cross multiply
    16,331.10x = 24,525.45 × 12,642.30
  4. Step 4: Simplify right side
    16,331.10x = 310,058,096.54
  5. Step 5: Solve for x
    x = 310,058,096.54/16,331.10
  6. Step 6: Final answer
    x = 18,985.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.