Home / 30,127.32-41,575.20-16,515.27

Finding the Fourth Proportional to 30,127.32, 41,575.20 and 16,515.27

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Solution

The fourth proportional to 30,127.32, 41,575.20 and 16,515.27 is: 22,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.32 : 41,575.20 = 16,515.27 : x
  2. Step 2: Convert to fraction form
    30,127.32/41,575.20 = 16,515.27/x
  3. Step 3: Cross multiply
    30,127.32x = 41,575.20 × 16,515.27
  4. Step 4: Simplify right side
    30,127.32x = 686,625,653.30
  5. Step 5: Solve for x
    x = 686,625,653.30/30,127.32
  6. Step 6: Final answer
    x = 22,790.80

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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.