Home / 14,640.14-20,203.26-7,925.60

Finding the Fourth Proportional to 14,640.14, 20,203.26 and 7,925.60

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Solution

The fourth proportional to 14,640.14, 20,203.26 and 7,925.60 is: 10,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.14 : 20,203.26 = 7,925.60 : x
  2. Step 2: Convert to fraction form
    14,640.14/20,203.26 = 7,925.60/x
  3. Step 3: Cross multiply
    14,640.14x = 20,203.26 × 7,925.60
  4. Step 4: Simplify right side
    14,640.14x = 160,122,957.46
  5. Step 5: Solve for x
    x = 160,122,957.46/14,640.14
  6. Step 6: Final answer
    x = 10,937.26

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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.