Home / 18,615.16-25,693.34-10,661.96

Finding the Fourth Proportional to 18,615.16, 25,693.34 and 10,661.96

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Solution

The fourth proportional to 18,615.16, 25,693.34 and 10,661.96 is: 14,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.16 : 25,693.34 = 10,661.96 : x
  2. Step 2: Convert to fraction form
    18,615.16/25,693.34 = 10,661.96/x
  3. Step 3: Cross multiply
    18,615.16x = 25,693.34 × 10,661.96
  4. Step 4: Simplify right side
    18,615.16x = 273,941,363.35
  5. Step 5: Solve for x
    x = 273,941,363.35/18,615.16
  6. Step 6: Final answer
    x = 14,716.04

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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.