Home / 19,212.45-26,513.30-10,715.11

Finding the Fourth Proportional to 19,212.45, 26,513.30 and 10,715.11

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Solution

The fourth proportional to 19,212.45, 26,513.30 and 10,715.11 is: 14,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.45 : 26,513.30 = 10,715.11 : x
  2. Step 2: Convert to fraction form
    19,212.45/26,513.30 = 10,715.11/x
  3. Step 3: Cross multiply
    19,212.45x = 26,513.30 × 10,715.11
  4. Step 4: Simplify right side
    19,212.45x = 284,092,925.96
  5. Step 5: Solve for x
    x = 284,092,925.96/19,212.45
  6. Step 6: Final answer
    x = 14,786.92

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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.