Home / 25,089.08-34,623.54-13,759.04

Finding the Fourth Proportional to 25,089.08, 34,623.54 and 13,759.04

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Solution

The fourth proportional to 25,089.08, 34,623.54 and 13,759.04 is: 18,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,089.08 : 34,623.54 = 13,759.04 : x
  2. Step 2: Convert to fraction form
    25,089.08/34,623.54 = 13,759.04/x
  3. Step 3: Cross multiply
    25,089.08x = 34,623.54 × 13,759.04
  4. Step 4: Simplify right side
    25,089.08x = 476,386,671.80
  5. Step 5: Solve for x
    x = 476,386,671.80/25,089.08
  6. Step 6: Final answer
    x = 18,987.81

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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.