Home / 16,674.74-23,011.72-9,121.61

Finding the Fourth Proportional to 16,674.74, 23,011.72 and 9,121.61

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Solution

The fourth proportional to 16,674.74, 23,011.72 and 9,121.61 is: 12,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.74 : 23,011.72 = 9,121.61 : x
  2. Step 2: Convert to fraction form
    16,674.74/23,011.72 = 9,121.61/x
  3. Step 3: Cross multiply
    16,674.74x = 23,011.72 × 9,121.61
  4. Step 4: Simplify right side
    16,674.74x = 209,903,995.65
  5. Step 5: Solve for x
    x = 209,903,995.65/16,674.74
  6. Step 6: Final answer
    x = 12,588.15

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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.