Home / 25,694.36-35,445.48-20,018.96

Finding the Fourth Proportional to 25,694.36, 35,445.48 and 20,018.96

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Solution

The fourth proportional to 25,694.36, 35,445.48 and 20,018.96 is: 27,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.36 : 35,445.48 = 20,018.96 : x
  2. Step 2: Convert to fraction form
    25,694.36/35,445.48 = 20,018.96/x
  3. Step 3: Cross multiply
    25,694.36x = 35,445.48 × 20,018.96
  4. Step 4: Simplify right side
    25,694.36x = 709,581,646.30
  5. Step 5: Solve for x
    x = 709,581,646.30/25,694.36
  6. Step 6: Final answer
    x = 27,616.24

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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.