Home / 18,123.06-24,997.18-17,513.45

Finding the Fourth Proportional to 18,123.06, 24,997.18 and 17,513.45

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Solution

The fourth proportional to 18,123.06, 24,997.18 and 17,513.45 is: 24,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.06 : 24,997.18 = 17,513.45 : x
  2. Step 2: Convert to fraction form
    18,123.06/24,997.18 = 17,513.45/x
  3. Step 3: Cross multiply
    18,123.06x = 24,997.18 × 17,513.45
  4. Step 4: Simplify right side
    18,123.06x = 437,786,649.52
  5. Step 5: Solve for x
    x = 437,786,649.52/18,123.06
  6. Step 6: Final answer
    x = 24,156.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.