Home / 14,632.08-20,192.12-7,917.56

Finding the Fourth Proportional to 14,632.08, 20,192.12 and 7,917.56

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Solution

The fourth proportional to 14,632.08, 20,192.12 and 7,917.56 is: 10,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.08 : 20,192.12 = 7,917.56 : x
  2. Step 2: Convert to fraction form
    14,632.08/20,192.12 = 7,917.56/x
  3. Step 3: Cross multiply
    14,632.08x = 20,192.12 × 7,917.56
  4. Step 4: Simplify right side
    14,632.08x = 159,872,321.63
  5. Step 5: Solve for x
    x = 159,872,321.63/14,632.08
  6. Step 6: Final answer
    x = 10,926.15

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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.