Home / 18,414.10-25,411.46-10,030.60

Finding the Fourth Proportional to 18,414.10, 25,411.46 and 10,030.60

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Solution

The fourth proportional to 18,414.10, 25,411.46 and 10,030.60 is: 13,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.10 : 25,411.46 = 10,030.60 : x
  2. Step 2: Convert to fraction form
    18,414.10/25,411.46 = 10,030.60/x
  3. Step 3: Cross multiply
    18,414.10x = 25,411.46 × 10,030.60
  4. Step 4: Simplify right side
    18,414.10x = 254,892,190.68
  5. Step 5: Solve for x
    x = 254,892,190.68/18,414.10
  6. Step 6: Final answer
    x = 13,842.23

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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.