Home / 39,814.44-59,717.67-13,518.78

Finding the Fourth Proportional to 39,814.44, 59,717.67 and 13,518.78

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Solution

The fourth proportional to 39,814.44, 59,717.67 and 13,518.78 is: 20,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.44 : 59,717.67 = 13,518.78 : x
  2. Step 2: Convert to fraction form
    39,814.44/59,717.67 = 13,518.78/x
  3. Step 3: Cross multiply
    39,814.44x = 59,717.67 × 13,518.78
  4. Step 4: Simplify right side
    39,814.44x = 807,310,042.84
  5. Step 5: Solve for x
    x = 807,310,042.84/39,814.44
  6. Step 6: Final answer
    x = 20,276.82

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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.