Home / 15,151.60-22,625.18-12,383.84

Finding the Fourth Proportional to 15,151.60, 22,625.18 and 12,383.84

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Solution

The fourth proportional to 15,151.60, 22,625.18 and 12,383.84 is: 18,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.60 : 22,625.18 = 12,383.84 : x
  2. Step 2: Convert to fraction form
    15,151.60/22,625.18 = 12,383.84/x
  3. Step 3: Cross multiply
    15,151.60x = 22,625.18 × 12,383.84
  4. Step 4: Simplify right side
    15,151.60x = 280,186,609.09
  5. Step 5: Solve for x
    x = 280,186,609.09/15,151.60
  6. Step 6: Final answer
    x = 18,492.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.