Home / 14,226.75-19,632.87-7,939.08

Finding the Fourth Proportional to 14,226.75, 19,632.87 and 7,939.08

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Solution

The fourth proportional to 14,226.75, 19,632.87 and 7,939.08 is: 10,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.75 : 19,632.87 = 7,939.08 : x
  2. Step 2: Convert to fraction form
    14,226.75/19,632.87 = 7,939.08/x
  3. Step 3: Cross multiply
    14,226.75x = 19,632.87 × 7,939.08
  4. Step 4: Simplify right side
    14,226.75x = 155,866,925.56
  5. Step 5: Solve for x
    x = 155,866,925.56/14,226.75
  6. Step 6: Final answer
    x = 10,955.91

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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.