Home / 25,758.88-35,548.13-14,428.86

Finding the Fourth Proportional to 25,758.88, 35,548.13 and 14,428.86

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Solution

The fourth proportional to 25,758.88, 35,548.13 and 14,428.86 is: 19,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.88 : 35,548.13 = 14,428.86 : x
  2. Step 2: Convert to fraction form
    25,758.88/35,548.13 = 14,428.86/x
  3. Step 3: Cross multiply
    25,758.88x = 35,548.13 × 14,428.86
  4. Step 4: Simplify right side
    25,758.88x = 512,918,991.03
  5. Step 5: Solve for x
    x = 512,918,991.03/25,758.88
  6. Step 6: Final answer
    x = 19,912.32

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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.