Home / 26,018.34-39,003.18-18,514.50

Finding the Fourth Proportional to 26,018.34, 39,003.18 and 18,514.50

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Solution

The fourth proportional to 26,018.34, 39,003.18 and 18,514.50 is: 27,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.34 : 39,003.18 = 18,514.50 : x
  2. Step 2: Convert to fraction form
    26,018.34/39,003.18 = 18,514.50/x
  3. Step 3: Cross multiply
    26,018.34x = 39,003.18 × 18,514.50
  4. Step 4: Simplify right side
    26,018.34x = 722,124,376.11
  5. Step 5: Solve for x
    x = 722,124,376.11/26,018.34
  6. Step 6: Final answer
    x = 27,754.44

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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.