Home / 25,448.33-38,133.57-13,603.79

Finding the Fourth Proportional to 25,448.33, 38,133.57 and 13,603.79

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Solution

The fourth proportional to 25,448.33, 38,133.57 and 13,603.79 is: 20,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.33 : 38,133.57 = 13,603.79 : x
  2. Step 2: Convert to fraction form
    25,448.33/38,133.57 = 13,603.79/x
  3. Step 3: Cross multiply
    25,448.33x = 38,133.57 × 13,603.79
  4. Step 4: Simplify right side
    25,448.33x = 518,761,078.23
  5. Step 5: Solve for x
    x = 518,761,078.23/25,448.33
  6. Step 6: Final answer
    x = 20,384.88

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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.