Home / 18,414.09-25,411.62-10,456.48

Finding the Fourth Proportional to 18,414.09, 25,411.62 and 10,456.48

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Solution

The fourth proportional to 18,414.09, 25,411.62 and 10,456.48 is: 14,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.09 : 25,411.62 = 10,456.48 : x
  2. Step 2: Convert to fraction form
    18,414.09/25,411.62 = 10,456.48/x
  3. Step 3: Cross multiply
    18,414.09x = 25,411.62 × 10,456.48
  4. Step 4: Simplify right side
    18,414.09x = 265,716,044.02
  5. Step 5: Solve for x
    x = 265,716,044.02/18,414.09
  6. Step 6: Final answer
    x = 14,430.04

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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.