Home / 19,212.92-26,513.70-10,715.14

Finding the Fourth Proportional to 19,212.92, 26,513.70 and 10,715.14

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Solution

The fourth proportional to 19,212.92, 26,513.70 and 10,715.14 is: 14,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.92 : 26,513.70 = 10,715.14 : x
  2. Step 2: Convert to fraction form
    19,212.92/26,513.70 = 10,715.14/x
  3. Step 3: Cross multiply
    19,212.92x = 26,513.70 × 10,715.14
  4. Step 4: Simplify right side
    19,212.92x = 284,098,007.42
  5. Step 5: Solve for x
    x = 284,098,007.42/19,212.92
  6. Step 6: Final answer
    x = 14,786.82

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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.