Home / 18,414.25-25,411.70-10,030.75

Finding the Fourth Proportional to 18,414.25, 25,411.70 and 10,030.75

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Solution

The fourth proportional to 18,414.25, 25,411.70 and 10,030.75 is: 13,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.25 : 25,411.70 = 10,030.75 : x
  2. Step 2: Convert to fraction form
    18,414.25/25,411.70 = 10,030.75/x
  3. Step 3: Cross multiply
    18,414.25x = 25,411.70 × 10,030.75
  4. Step 4: Simplify right side
    18,414.25x = 254,898,409.78
  5. Step 5: Solve for x
    x = 254,898,409.78/18,414.25
  6. Step 6: Final answer
    x = 13,842.45

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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.