Home / 25,809.12-35,618.66-15,057.32

Finding the Fourth Proportional to 25,809.12, 35,618.66 and 15,057.32

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Solution

The fourth proportional to 25,809.12, 35,618.66 and 15,057.32 is: 20,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.12 : 35,618.66 = 15,057.32 : x
  2. Step 2: Convert to fraction form
    25,809.12/35,618.66 = 15,057.32/x
  3. Step 3: Cross multiply
    25,809.12x = 35,618.66 × 15,057.32
  4. Step 4: Simplify right side
    25,809.12x = 536,321,561.59
  5. Step 5: Solve for x
    x = 536,321,561.59/25,809.12
  6. Step 6: Final answer
    x = 20,780.31

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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.