Home / 18,664.17-25,760.34-10,711.86

Finding the Fourth Proportional to 18,664.17, 25,760.34 and 10,711.86

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Solution

The fourth proportional to 18,664.17, 25,760.34 and 10,711.86 is: 14,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.17 : 25,760.34 = 10,711.86 : x
  2. Step 2: Convert to fraction form
    18,664.17/25,760.34 = 10,711.86/x
  3. Step 3: Cross multiply
    18,664.17x = 25,760.34 × 10,711.86
  4. Step 4: Simplify right side
    18,664.17x = 275,941,155.63
  5. Step 5: Solve for x
    x = 275,941,155.63/18,664.17
  6. Step 6: Final answer
    x = 14,784.54

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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.