Home / 25,089.10-34,623.30-13,758.42

Finding the Fourth Proportional to 25,089.10, 34,623.30 and 13,758.42

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Solution

The fourth proportional to 25,089.10, 34,623.30 and 13,758.42 is: 18,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.10 : 34,623.30 = 13,758.42 : x
  2. Step 2: Convert to fraction form
    25,089.10/34,623.30 = 13,758.42/x
  3. Step 3: Cross multiply
    25,089.10x = 34,623.30 × 13,758.42
  4. Step 4: Simplify right side
    25,089.10x = 476,361,903.19
  5. Step 5: Solve for x
    x = 476,361,903.19/25,089.10
  6. Step 6: Final answer
    x = 18,986.81

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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.