Home / 19,600.38-27,045.90-11,639.70

Finding the Fourth Proportional to 19,600.38, 27,045.90 and 11,639.70

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Solution

The fourth proportional to 19,600.38, 27,045.90 and 11,639.70 is: 16,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.38 : 27,045.90 = 11,639.70 : x
  2. Step 2: Convert to fraction form
    19,600.38/27,045.90 = 11,639.70/x
  3. Step 3: Cross multiply
    19,600.38x = 27,045.90 × 11,639.70
  4. Step 4: Simplify right side
    19,600.38x = 314,806,162.23
  5. Step 5: Solve for x
    x = 314,806,162.23/19,600.38
  6. Step 6: Final answer
    x = 16,061.23

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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.