Home / 13,632.29-20,448.42-3,637.07

Finding the Fourth Proportional to 13,632.29, 20,448.42 and 3,637.07

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Solution

The fourth proportional to 13,632.29, 20,448.42 and 3,637.07 is: 5,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.29 : 20,448.42 = 3,637.07 : x
  2. Step 2: Convert to fraction form
    13,632.29/20,448.42 = 3,637.07/x
  3. Step 3: Cross multiply
    13,632.29x = 20,448.42 × 3,637.07
  4. Step 4: Simplify right side
    13,632.29x = 74,372,232.69
  5. Step 5: Solve for x
    x = 74,372,232.69/13,632.29
  6. Step 6: Final answer
    x = 5,455.60

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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.