Home / 14,032.20-21,015.90-9,625.80

Finding the Fourth Proportional to 14,032.20, 21,015.90 and 9,625.80

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Solution

The fourth proportional to 14,032.20, 21,015.90 and 9,625.80 is: 14,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.20 : 21,015.90 = 9,625.80 : x
  2. Step 2: Convert to fraction form
    14,032.20/21,015.90 = 9,625.80/x
  3. Step 3: Cross multiply
    14,032.20x = 21,015.90 × 9,625.80
  4. Step 4: Simplify right side
    14,032.20x = 202,294,850.22
  5. Step 5: Solve for x
    x = 202,294,850.22/14,032.20
  6. Step 6: Final answer
    x = 14,416.47

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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.