Home / 25,507.64-35,203.40-15,441.63

Finding the Fourth Proportional to 25,507.64, 35,203.40 and 15,441.63

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Solution

The fourth proportional to 25,507.64, 35,203.40 and 15,441.63 is: 21,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.64 : 35,203.40 = 15,441.63 : x
  2. Step 2: Convert to fraction form
    25,507.64/35,203.40 = 15,441.63/x
  3. Step 3: Cross multiply
    25,507.64x = 35,203.40 × 15,441.63
  4. Step 4: Simplify right side
    25,507.64x = 543,597,797.66
  5. Step 5: Solve for x
    x = 543,597,797.66/25,507.64
  6. Step 6: Final answer
    x = 21,311.18

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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.