Home / 14,640.09-20,203.40-7,925.73

Finding the Fourth Proportional to 14,640.09, 20,203.40 and 7,925.73

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Solution

The fourth proportional to 14,640.09, 20,203.40 and 7,925.73 is: 10,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.09 : 20,203.40 = 7,925.73 : x
  2. Step 2: Convert to fraction form
    14,640.09/20,203.40 = 7,925.73/x
  3. Step 3: Cross multiply
    14,640.09x = 20,203.40 × 7,925.73
  4. Step 4: Simplify right side
    14,640.09x = 160,126,653.85
  5. Step 5: Solve for x
    x = 160,126,653.85/14,640.09
  6. Step 6: Final answer
    x = 10,937.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.