Home / 25,492.16-38,203.68-13,188.80

Finding the Fourth Proportional to 25,492.16, 38,203.68 and 13,188.80

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Solution

The fourth proportional to 25,492.16, 38,203.68 and 13,188.80 is: 19,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.16 : 38,203.68 = 13,188.80 : x
  2. Step 2: Convert to fraction form
    25,492.16/38,203.68 = 13,188.80/x
  3. Step 3: Cross multiply
    25,492.16x = 38,203.68 × 13,188.80
  4. Step 4: Simplify right side
    25,492.16x = 503,860,694.78
  5. Step 5: Solve for x
    x = 503,860,694.78/25,492.16
  6. Step 6: Final answer
    x = 19,765.32

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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.