Home / 14,125.48-21,180.02-5,355.61

Finding the Fourth Proportional to 14,125.48, 21,180.02 and 5,355.61

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Solution

The fourth proportional to 14,125.48, 21,180.02 and 5,355.61 is: 8,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.48 : 21,180.02 = 5,355.61 : x
  2. Step 2: Convert to fraction form
    14,125.48/21,180.02 = 5,355.61/x
  3. Step 3: Cross multiply
    14,125.48x = 21,180.02 × 5,355.61
  4. Step 4: Simplify right side
    14,125.48x = 113,431,847.18
  5. Step 5: Solve for x
    x = 113,431,847.18/14,125.48
  6. Step 6: Final answer
    x = 8,030.30

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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.