Home / 16,965.02-25,447.26-5,278.88

Finding the Fourth Proportional to 16,965.02, 25,447.26 and 5,278.88

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Solution

The fourth proportional to 16,965.02, 25,447.26 and 5,278.88 is: 7,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.02 : 25,447.26 = 5,278.88 : x
  2. Step 2: Convert to fraction form
    16,965.02/25,447.26 = 5,278.88/x
  3. Step 3: Cross multiply
    16,965.02x = 25,447.26 × 5,278.88
  4. Step 4: Simplify right side
    16,965.02x = 134,333,031.87
  5. Step 5: Solve for x
    x = 134,333,031.87/16,965.02
  6. Step 6: Final answer
    x = 7,918.24

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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.