Home / 25,447.33-38,132.06-13,602.79

Finding the Fourth Proportional to 25,447.33, 38,132.06 and 13,602.79

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Solution

The fourth proportional to 25,447.33, 38,132.06 and 13,602.79 is: 20,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.33 : 38,132.06 = 13,602.79 : x
  2. Step 2: Convert to fraction form
    25,447.33/38,132.06 = 13,602.79/x
  3. Step 3: Cross multiply
    25,447.33x = 38,132.06 × 13,602.79
  4. Step 4: Simplify right side
    25,447.33x = 518,702,404.45
  5. Step 5: Solve for x
    x = 518,702,404.45/25,447.33
  6. Step 6: Final answer
    x = 20,383.37

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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.