Home / 14,595.80-21,861.30-12,003.80

Finding the Fourth Proportional to 14,595.80, 21,861.30 and 12,003.80

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Solution

The fourth proportional to 14,595.80, 21,861.30 and 12,003.80 is: 17,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.80 : 21,861.30 = 12,003.80 : x
  2. Step 2: Convert to fraction form
    14,595.80/21,861.30 = 12,003.80/x
  3. Step 3: Cross multiply
    14,595.80x = 21,861.30 × 12,003.80
  4. Step 4: Simplify right side
    14,595.80x = 262,418,672.94
  5. Step 5: Solve for x
    x = 262,418,672.94/14,595.80
  6. Step 6: Final answer
    x = 17,979.05

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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.