Home / 16,966.20-25,457.79-7,612.91

Finding the Fourth Proportional to 16,966.20, 25,457.79 and 7,612.91

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Solution

The fourth proportional to 16,966.20, 25,457.79 and 7,612.91 is: 11,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.20 : 25,457.79 = 7,612.91 : x
  2. Step 2: Convert to fraction form
    16,966.20/25,457.79 = 7,612.91/x
  3. Step 3: Cross multiply
    16,966.20x = 25,457.79 × 7,612.91
  4. Step 4: Simplify right side
    16,966.20x = 193,807,860.80
  5. Step 5: Solve for x
    x = 193,807,860.80/16,966.20
  6. Step 6: Final answer
    x = 11,423.17

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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.