Home / 18,948.82-26,149.43-10,565.62

Finding the Fourth Proportional to 18,948.82, 26,149.43 and 10,565.62

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Solution

The fourth proportional to 18,948.82, 26,149.43 and 10,565.62 is: 14,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.82 : 26,149.43 = 10,565.62 : x
  2. Step 2: Convert to fraction form
    18,948.82/26,149.43 = 10,565.62/x
  3. Step 3: Cross multiply
    18,948.82x = 26,149.43 × 10,565.62
  4. Step 4: Simplify right side
    18,948.82x = 276,284,940.60
  5. Step 5: Solve for x
    x = 276,284,940.60/18,948.82
  6. Step 6: Final answer
    x = 14,580.59

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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.