Home / 25,418.30-38,118.08-8,774.06

Finding the Fourth Proportional to 25,418.30, 38,118.08 and 8,774.06

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Solution

The fourth proportional to 25,418.30, 38,118.08 and 8,774.06 is: 13,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.30 : 38,118.08 = 8,774.06 : x
  2. Step 2: Convert to fraction form
    25,418.30/38,118.08 = 8,774.06/x
  3. Step 3: Cross multiply
    25,418.30x = 38,118.08 × 8,774.06
  4. Step 4: Simplify right side
    25,418.30x = 334,450,152.35
  5. Step 5: Solve for x
    x = 334,450,152.35/25,418.30
  6. Step 6: Final answer
    x = 13,157.85

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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.