Home / 22,414.05-30,916.08-13,907.16

Finding the Fourth Proportional to 22,414.05, 30,916.08 and 13,907.16

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Solution

The fourth proportional to 22,414.05, 30,916.08 and 13,907.16 is: 19,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.05 : 30,916.08 = 13,907.16 : x
  2. Step 2: Convert to fraction form
    22,414.05/30,916.08 = 13,907.16/x
  3. Step 3: Cross multiply
    22,414.05x = 30,916.08 × 13,907.16
  4. Step 4: Simplify right side
    22,414.05x = 429,954,871.13
  5. Step 5: Solve for x
    x = 429,954,871.13/22,414.05
  6. Step 6: Final answer
    x = 19,182.38

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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.