Home / 19,790.65-27,311.72-10,839.01

Finding the Fourth Proportional to 19,790.65, 27,311.72 and 10,839.01

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Solution

The fourth proportional to 19,790.65, 27,311.72 and 10,839.01 is: 14,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.65 : 27,311.72 = 10,839.01 : x
  2. Step 2: Convert to fraction form
    19,790.65/27,311.72 = 10,839.01/x
  3. Step 3: Cross multiply
    19,790.65x = 27,311.72 × 10,839.01
  4. Step 4: Simplify right side
    19,790.65x = 296,032,006.20
  5. Step 5: Solve for x
    x = 296,032,006.20/19,790.65
  6. Step 6: Final answer
    x = 14,958.18

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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.