Home / 13,632.07-18,812.14-8,599.54

Finding the Fourth Proportional to 13,632.07, 18,812.14 and 8,599.54

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Solution

The fourth proportional to 13,632.07, 18,812.14 and 8,599.54 is: 11,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.07 : 18,812.14 = 8,599.54 : x
  2. Step 2: Convert to fraction form
    13,632.07/18,812.14 = 8,599.54/x
  3. Step 3: Cross multiply
    13,632.07x = 18,812.14 × 8,599.54
  4. Step 4: Simplify right side
    13,632.07x = 161,775,750.42
  5. Step 5: Solve for x
    x = 161,775,750.42/13,632.07
  6. Step 6: Final answer
    x = 11,867.29

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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.