Home / 14,032.80-21,055.68-6,240.60

Finding the Fourth Proportional to 14,032.80, 21,055.68 and 6,240.60

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Solution

The fourth proportional to 14,032.80, 21,055.68 and 6,240.60 is: 9,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.80 : 21,055.68 = 6,240.60 : x
  2. Step 2: Convert to fraction form
    14,032.80/21,055.68 = 6,240.60/x
  3. Step 3: Cross multiply
    14,032.80x = 21,055.68 × 6,240.60
  4. Step 4: Simplify right side
    14,032.80x = 131,400,076.61
  5. Step 5: Solve for x
    x = 131,400,076.61/14,032.80
  6. Step 6: Final answer
    x = 9,363.78

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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.