Home / 12,552.75-18,822.69-6,632.81

Finding the Fourth Proportional to 12,552.75, 18,822.69 and 6,632.81

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Solution

The fourth proportional to 12,552.75, 18,822.69 and 6,632.81 is: 9,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.75 : 18,822.69 = 6,632.81 : x
  2. Step 2: Convert to fraction form
    12,552.75/18,822.69 = 6,632.81/x
  3. Step 3: Cross multiply
    12,552.75x = 18,822.69 × 6,632.81
  4. Step 4: Simplify right side
    12,552.75x = 124,847,326.46
  5. Step 5: Solve for x
    x = 124,847,326.46/12,552.75
  6. Step 6: Final answer
    x = 9,945.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.