Home / 16,140.96-24,213.75-7,814.13

Finding the Fourth Proportional to 16,140.96, 24,213.75 and 7,814.13

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Solution

The fourth proportional to 16,140.96, 24,213.75 and 7,814.13 is: 11,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.96 : 24,213.75 = 7,814.13 : x
  2. Step 2: Convert to fraction form
    16,140.96/24,213.75 = 7,814.13/x
  3. Step 3: Cross multiply
    16,140.96x = 24,213.75 × 7,814.13
  4. Step 4: Simplify right side
    16,140.96x = 189,209,390.29
  5. Step 5: Solve for x
    x = 189,209,390.29/16,140.96
  6. Step 6: Final answer
    x = 11,722.31

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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.