Home / 19,706.19-27,192.32-11,325.39

Finding the Fourth Proportional to 19,706.19, 27,192.32 and 11,325.39

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Solution

The fourth proportional to 19,706.19, 27,192.32 and 11,325.39 is: 15,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.19 : 27,192.32 = 11,325.39 : x
  2. Step 2: Convert to fraction form
    19,706.19/27,192.32 = 11,325.39/x
  3. Step 3: Cross multiply
    19,706.19x = 27,192.32 × 11,325.39
  4. Step 4: Simplify right side
    19,706.19x = 307,963,572.38
  5. Step 5: Solve for x
    x = 307,963,572.38/19,706.19
  6. Step 6: Final answer
    x = 15,627.76

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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.