Home / 19,212.79-26,513.12-10,715.17

Finding the Fourth Proportional to 19,212.79, 26,513.12 and 10,715.17

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Solution

The fourth proportional to 19,212.79, 26,513.12 and 10,715.17 is: 14,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.79 : 26,513.12 = 10,715.17 : x
  2. Step 2: Convert to fraction form
    19,212.79/26,513.12 = 10,715.17/x
  3. Step 3: Cross multiply
    19,212.79x = 26,513.12 × 10,715.17
  4. Step 4: Simplify right side
    19,212.79x = 284,092,534.45
  5. Step 5: Solve for x
    x = 284,092,534.45/19,212.79
  6. Step 6: Final answer
    x = 14,786.64

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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.