Home / 25,401.98-38,127.56-12,263.57

Finding the Fourth Proportional to 25,401.98, 38,127.56 and 12,263.57

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Solution

The fourth proportional to 25,401.98, 38,127.56 and 12,263.57 is: 18,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.98 : 38,127.56 = 12,263.57 : x
  2. Step 2: Convert to fraction form
    25,401.98/38,127.56 = 12,263.57/x
  3. Step 3: Cross multiply
    25,401.98x = 38,127.56 × 12,263.57
  4. Step 4: Simplify right side
    25,401.98x = 467,579,749.03
  5. Step 5: Solve for x
    x = 467,579,749.03/25,401.98
  6. Step 6: Final answer
    x = 18,407.22

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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.