Home / 29,013.99-40,039.27-16,438.74

Finding the Fourth Proportional to 29,013.99, 40,039.27 and 16,438.74

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Solution

The fourth proportional to 29,013.99, 40,039.27 and 16,438.74 is: 22,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,013.99 : 40,039.27 = 16,438.74 : x
  2. Step 2: Convert to fraction form
    29,013.99/40,039.27 = 16,438.74/x
  3. Step 3: Cross multiply
    29,013.99x = 40,039.27 × 16,438.74
  4. Step 4: Simplify right side
    29,013.99x = 658,195,149.32
  5. Step 5: Solve for x
    x = 658,195,149.32/29,013.99
  6. Step 6: Final answer
    x = 22,685.44

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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.