Home / 13,632.57-18,812.84-8,600.04

Finding the Fourth Proportional to 13,632.57, 18,812.84 and 8,600.04

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Solution

The fourth proportional to 13,632.57, 18,812.84 and 8,600.04 is: 11,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.57 : 18,812.84 = 8,600.04 : x
  2. Step 2: Convert to fraction form
    13,632.57/18,812.84 = 8,600.04/x
  3. Step 3: Cross multiply
    13,632.57x = 18,812.84 × 8,600.04
  4. Step 4: Simplify right side
    13,632.57x = 161,791,133.51
  5. Step 5: Solve for x
    x = 161,791,133.51/13,632.57
  6. Step 6: Final answer
    x = 11,867.98

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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.