Home / 19,586.07-27,022.14-12,871.17

Finding the Fourth Proportional to 19,586.07, 27,022.14 and 12,871.17

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Solution

The fourth proportional to 19,586.07, 27,022.14 and 12,871.17 is: 17,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.07 : 27,022.14 = 12,871.17 : x
  2. Step 2: Convert to fraction form
    19,586.07/27,022.14 = 12,871.17/x
  3. Step 3: Cross multiply
    19,586.07x = 27,022.14 × 12,871.17
  4. Step 4: Simplify right side
    19,586.07x = 347,806,557.70
  5. Step 5: Solve for x
    x = 347,806,557.70/19,586.07
  6. Step 6: Final answer
    x = 17,757.85

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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.