Home / 18,622.80-25,693.65-10,663.56

Finding the Fourth Proportional to 18,622.80, 25,693.65 and 10,663.56

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Solution

The fourth proportional to 18,622.80, 25,693.65 and 10,663.56 is: 14,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.80 : 25,693.65 = 10,663.56 : x
  2. Step 2: Convert to fraction form
    18,622.80/25,693.65 = 10,663.56/x
  3. Step 3: Cross multiply
    18,622.80x = 25,693.65 × 10,663.56
  4. Step 4: Simplify right side
    18,622.80x = 273,985,778.39
  5. Step 5: Solve for x
    x = 273,985,778.39/18,622.80
  6. Step 6: Final answer
    x = 14,712.38

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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.