Home / 18,684.66-25,784.60-10,186.58

Finding the Fourth Proportional to 18,684.66, 25,784.60 and 10,186.58

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Solution

The fourth proportional to 18,684.66, 25,784.60 and 10,186.58 is: 14,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.66 : 25,784.60 = 10,186.58 : x
  2. Step 2: Convert to fraction form
    18,684.66/25,784.60 = 10,186.58/x
  3. Step 3: Cross multiply
    18,684.66x = 25,784.60 × 10,186.58
  4. Step 4: Simplify right side
    18,684.66x = 262,656,890.67
  5. Step 5: Solve for x
    x = 262,656,890.67/18,684.66
  6. Step 6: Final answer
    x = 14,057.35

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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.