Home / 14,640.36-20,203.45-7,925.92

Finding the Fourth Proportional to 14,640.36, 20,203.45 and 7,925.92

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Solution

The fourth proportional to 14,640.36, 20,203.45 and 7,925.92 is: 10,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.36 : 20,203.45 = 7,925.92 : x
  2. Step 2: Convert to fraction form
    14,640.36/20,203.45 = 7,925.92/x
  3. Step 3: Cross multiply
    14,640.36x = 20,203.45 × 7,925.92
  4. Step 4: Simplify right side
    14,640.36x = 160,131,016.33
  5. Step 5: Solve for x
    x = 160,131,016.33/14,640.36
  6. Step 6: Final answer
    x = 10,937.64

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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.