Home / 19,914.01-29,852.55-8,814.78

Finding the Fourth Proportional to 19,914.01, 29,852.55 and 8,814.78

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Solution

The fourth proportional to 19,914.01, 29,852.55 and 8,814.78 is: 13,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.01 : 29,852.55 = 8,814.78 : x
  2. Step 2: Convert to fraction form
    19,914.01/29,852.55 = 8,814.78/x
  3. Step 3: Cross multiply
    19,914.01x = 29,852.55 × 8,814.78
  4. Step 4: Simplify right side
    19,914.01x = 263,143,660.69
  5. Step 5: Solve for x
    x = 263,143,660.69/19,914.01
  6. Step 6: Final answer
    x = 13,214.00

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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.