Home / 18,410.88-25,405.68-10,453.32

Finding the Fourth Proportional to 18,410.88, 25,405.68 and 10,453.32

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Solution

The fourth proportional to 18,410.88, 25,405.68 and 10,453.32 is: 14,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.88 : 25,405.68 = 10,453.32 : x
  2. Step 2: Convert to fraction form
    18,410.88/25,405.68 = 10,453.32/x
  3. Step 3: Cross multiply
    18,410.88x = 25,405.68 × 10,453.32
  4. Step 4: Simplify right side
    18,410.88x = 265,573,702.86
  5. Step 5: Solve for x
    x = 265,573,702.86/18,410.88
  6. Step 6: Final answer
    x = 14,424.82

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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.