Home / 18,470.43-25,489.23-10,086.93

Finding the Fourth Proportional to 18,470.43, 25,489.23 and 10,086.93

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Solution

The fourth proportional to 18,470.43, 25,489.23 and 10,086.93 is: 13,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.43 : 25,489.23 = 10,086.93 : x
  2. Step 2: Convert to fraction form
    18,470.43/25,489.23 = 10,086.93/x
  3. Step 3: Cross multiply
    18,470.43x = 25,489.23 × 10,086.93
  4. Step 4: Simplify right side
    18,470.43x = 257,108,078.76
  5. Step 5: Solve for x
    x = 257,108,078.76/18,470.43
  6. Step 6: Final answer
    x = 13,919.98

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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.