Home / 25,966.20-38,921.49-18,548.16

Finding the Fourth Proportional to 25,966.20, 38,921.49 and 18,548.16

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Solution

The fourth proportional to 25,966.20, 38,921.49 and 18,548.16 is: 27,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.20 : 38,921.49 = 18,548.16 : x
  2. Step 2: Convert to fraction form
    25,966.20/38,921.49 = 18,548.16/x
  3. Step 3: Cross multiply
    25,966.20x = 38,921.49 × 18,548.16
  4. Step 4: Simplify right side
    25,966.20x = 721,922,023.96
  5. Step 5: Solve for x
    x = 721,922,023.96/25,966.20
  6. Step 6: Final answer
    x = 27,802.37

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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.