Home / 19,006.65-26,231.79-10,940.14

Finding the Fourth Proportional to 19,006.65, 26,231.79 and 10,940.14

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Solution

The fourth proportional to 19,006.65, 26,231.79 and 10,940.14 is: 15,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.65 : 26,231.79 = 10,940.14 : x
  2. Step 2: Convert to fraction form
    19,006.65/26,231.79 = 10,940.14/x
  3. Step 3: Cross multiply
    19,006.65x = 26,231.79 × 10,940.14
  4. Step 4: Simplify right side
    19,006.65x = 286,979,455.05
  5. Step 5: Solve for x
    x = 286,979,455.05/19,006.65
  6. Step 6: Final answer
    x = 15,098.90

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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.