Home / 16,140.86-24,213.58-7,814.02

Finding the Fourth Proportional to 16,140.86, 24,213.58 and 7,814.02

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Solution

The fourth proportional to 16,140.86, 24,213.58 and 7,814.02 is: 11,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.86 : 24,213.58 = 7,814.02 : x
  2. Step 2: Convert to fraction form
    16,140.86/24,213.58 = 7,814.02/x
  3. Step 3: Cross multiply
    16,140.86x = 24,213.58 × 7,814.02
  4. Step 4: Simplify right side
    16,140.86x = 189,205,398.39
  5. Step 5: Solve for x
    x = 189,205,398.39/16,140.86
  6. Step 6: Final answer
    x = 11,722.14

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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.