Home / 18,949.50-26,150.31-10,565.82

Finding the Fourth Proportional to 18,949.50, 26,150.31 and 10,565.82

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Solution

The fourth proportional to 18,949.50, 26,150.31 and 10,565.82 is: 14,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.50 : 26,150.31 = 10,565.82 : x
  2. Step 2: Convert to fraction form
    18,949.50/26,150.31 = 10,565.82/x
  3. Step 3: Cross multiply
    18,949.50x = 26,150.31 × 10,565.82
  4. Step 4: Simplify right side
    18,949.50x = 276,299,468.40
  5. Step 5: Solve for x
    x = 276,299,468.40/18,949.50
  6. Step 6: Final answer
    x = 14,580.83

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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.