Home / 14,640.56-20,197.31-9,332.07

Finding the Fourth Proportional to 14,640.56, 20,197.31 and 9,332.07

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Solution

The fourth proportional to 14,640.56, 20,197.31 and 9,332.07 is: 12,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.56 : 20,197.31 = 9,332.07 : x
  2. Step 2: Convert to fraction form
    14,640.56/20,197.31 = 9,332.07/x
  3. Step 3: Cross multiply
    14,640.56x = 20,197.31 × 9,332.07
  4. Step 4: Simplify right side
    14,640.56x = 188,482,664.07
  5. Step 5: Solve for x
    x = 188,482,664.07/14,640.56
  6. Step 6: Final answer
    x = 12,874.01

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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.