Home / 18,923.65-26,114.30-10,966.61

Finding the Fourth Proportional to 18,923.65, 26,114.30 and 10,966.61

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Solution

The fourth proportional to 18,923.65, 26,114.30 and 10,966.61 is: 15,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.65 : 26,114.30 = 10,966.61 : x
  2. Step 2: Convert to fraction form
    18,923.65/26,114.30 = 10,966.61/x
  3. Step 3: Cross multiply
    18,923.65x = 26,114.30 × 10,966.61
  4. Step 4: Simplify right side
    18,923.65x = 286,385,288.69
  5. Step 5: Solve for x
    x = 286,385,288.69/18,923.65
  6. Step 6: Final answer
    x = 15,133.73

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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.