Home / 14,309.96-19,756.50-11,337.80

Finding the Fourth Proportional to 14,309.96, 19,756.50 and 11,337.80

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Solution

The fourth proportional to 14,309.96, 19,756.50 and 11,337.80 is: 15,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.96 : 19,756.50 = 11,337.80 : x
  2. Step 2: Convert to fraction form
    14,309.96/19,756.50 = 11,337.80/x
  3. Step 3: Cross multiply
    14,309.96x = 19,756.50 × 11,337.80
  4. Step 4: Simplify right side
    14,309.96x = 223,995,245.70
  5. Step 5: Solve for x
    x = 223,995,245.70/14,309.96
  6. Step 6: Final answer
    x = 15,653.10

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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.