Home / 15,931.17-23,896.13-5,401.98

Finding the Fourth Proportional to 15,931.17, 23,896.13 and 5,401.98

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Solution

The fourth proportional to 15,931.17, 23,896.13 and 5,401.98 is: 8,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.17 : 23,896.13 = 5,401.98 : x
  2. Step 2: Convert to fraction form
    15,931.17/23,896.13 = 5,401.98/x
  3. Step 3: Cross multiply
    15,931.17x = 23,896.13 × 5,401.98
  4. Step 4: Simplify right side
    15,931.17x = 129,086,389.33
  5. Step 5: Solve for x
    x = 129,086,389.33/15,931.17
  6. Step 6: Final answer
    x = 8,102.76

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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.