Home / 25,401.60-38,126.99-12,263.19

Finding the Fourth Proportional to 25,401.60, 38,126.99 and 12,263.19

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Solution

The fourth proportional to 25,401.60, 38,126.99 and 12,263.19 is: 18,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.60 : 38,126.99 = 12,263.19 : x
  2. Step 2: Convert to fraction form
    25,401.60/38,126.99 = 12,263.19/x
  3. Step 3: Cross multiply
    25,401.60x = 38,126.99 × 12,263.19
  4. Step 4: Simplify right side
    25,401.60x = 467,558,553.16
  5. Step 5: Solve for x
    x = 467,558,553.16/25,401.60
  6. Step 6: Final answer
    x = 18,406.66

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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.