Home / 16,415.80-24,623.90-5,322.40

Finding the Fourth Proportional to 16,415.80, 24,623.90 and 5,322.40

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Solution

The fourth proportional to 16,415.80, 24,623.90 and 5,322.40 is: 7,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.80 : 24,623.90 = 5,322.40 : x
  2. Step 2: Convert to fraction form
    16,415.80/24,623.90 = 5,322.40/x
  3. Step 3: Cross multiply
    16,415.80x = 24,623.90 × 5,322.40
  4. Step 4: Simplify right side
    16,415.80x = 131,058,245.36
  5. Step 5: Solve for x
    x = 131,058,245.36/16,415.80
  6. Step 6: Final answer
    x = 7,983.66

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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.