Home / 14,221.90-21,338.40-5,899.81

Finding the Fourth Proportional to 14,221.90, 21,338.40 and 5,899.81

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Solution

The fourth proportional to 14,221.90, 21,338.40 and 5,899.81 is: 8,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.90 : 21,338.40 = 5,899.81 : x
  2. Step 2: Convert to fraction form
    14,221.90/21,338.40 = 5,899.81/x
  3. Step 3: Cross multiply
    14,221.90x = 21,338.40 × 5,899.81
  4. Step 4: Simplify right side
    14,221.90x = 125,892,505.70
  5. Step 5: Solve for x
    x = 125,892,505.70/14,221.90
  6. Step 6: Final answer
    x = 8,852.02

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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.