Home / 19,936.95-27,516.95-11,872.59

Finding the Fourth Proportional to 19,936.95, 27,516.95 and 11,872.59

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Solution

The fourth proportional to 19,936.95, 27,516.95 and 11,872.59 is: 16,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.95 : 27,516.95 = 11,872.59 : x
  2. Step 2: Convert to fraction form
    19,936.95/27,516.95 = 11,872.59/x
  3. Step 3: Cross multiply
    19,936.95x = 27,516.95 × 11,872.59
  4. Step 4: Simplify right side
    19,936.95x = 326,697,465.40
  5. Step 5: Solve for x
    x = 326,697,465.40/19,936.95
  6. Step 6: Final answer
    x = 16,386.53

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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.