Home / 14,632.32-20,192.91-8,661.81

Finding the Fourth Proportional to 14,632.32, 20,192.91 and 8,661.81

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Solution

The fourth proportional to 14,632.32, 20,192.91 and 8,661.81 is: 11,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.32 : 20,192.91 = 8,661.81 : x
  2. Step 2: Convert to fraction form
    14,632.32/20,192.91 = 8,661.81/x
  3. Step 3: Cross multiply
    14,632.32x = 20,192.91 × 8,661.81
  4. Step 4: Simplify right side
    14,632.32x = 174,907,149.77
  5. Step 5: Solve for x
    x = 174,907,149.77/14,632.32
  6. Step 6: Final answer
    x = 11,953.48

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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.