Home / 22,190.08-30,632.16-13,812.16

Finding the Fourth Proportional to 22,190.08, 30,632.16 and 13,812.16

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Solution

The fourth proportional to 22,190.08, 30,632.16 and 13,812.16 is: 19,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.08 : 30,632.16 = 13,812.16 : x
  2. Step 2: Convert to fraction form
    22,190.08/30,632.16 = 13,812.16/x
  3. Step 3: Cross multiply
    22,190.08x = 30,632.16 × 13,812.16
  4. Step 4: Simplify right side
    22,190.08x = 423,096,295.07
  5. Step 5: Solve for x
    x = 423,096,295.07/22,190.08
  6. Step 6: Final answer
    x = 19,066.91

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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.