Home / 14,575.80-21,879.90-13,624.05

Finding the Fourth Proportional to 14,575.80, 21,879.90 and 13,624.05

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Solution

The fourth proportional to 14,575.80, 21,879.90 and 13,624.05 is: 20,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.80 : 21,879.90 = 13,624.05 : x
  2. Step 2: Convert to fraction form
    14,575.80/21,879.90 = 13,624.05/x
  3. Step 3: Cross multiply
    14,575.80x = 21,879.90 × 13,624.05
  4. Step 4: Simplify right side
    14,575.80x = 298,092,851.60
  5. Step 5: Solve for x
    x = 298,092,851.60/14,575.80
  6. Step 6: Final answer
    x = 20,451.22

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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.