Home / 18,414.46-25,411.29-11,256.37

Finding the Fourth Proportional to 18,414.46, 25,411.29 and 11,256.37

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Solution

The fourth proportional to 18,414.46, 25,411.29 and 11,256.37 is: 15,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.46 : 25,411.29 = 11,256.37 : x
  2. Step 2: Convert to fraction form
    18,414.46/25,411.29 = 11,256.37/x
  3. Step 3: Cross multiply
    18,414.46x = 25,411.29 × 11,256.37
  4. Step 4: Simplify right side
    18,414.46x = 286,038,776.68
  5. Step 5: Solve for x
    x = 286,038,776.68/18,414.46
  6. Step 6: Final answer
    x = 15,533.38

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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.