Home / 16,012.40-22,095.05-8,939.12

Finding the Fourth Proportional to 16,012.40, 22,095.05 and 8,939.12

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Solution

The fourth proportional to 16,012.40, 22,095.05 and 8,939.12 is: 12,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.40 : 22,095.05 = 8,939.12 : x
  2. Step 2: Convert to fraction form
    16,012.40/22,095.05 = 8,939.12/x
  3. Step 3: Cross multiply
    16,012.40x = 22,095.05 × 8,939.12
  4. Step 4: Simplify right side
    16,012.40x = 197,510,148.19
  5. Step 5: Solve for x
    x = 197,510,148.19/16,012.40
  6. Step 6: Final answer
    x = 12,334.83

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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.