Home / 22,307.09-30,767.65-18,944.57

Finding the Fourth Proportional to 22,307.09, 30,767.65 and 18,944.57

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Solution

The fourth proportional to 22,307.09, 30,767.65 and 18,944.57 is: 26,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.09 : 30,767.65 = 18,944.57 : x
  2. Step 2: Convert to fraction form
    22,307.09/30,767.65 = 18,944.57/x
  3. Step 3: Cross multiply
    22,307.09x = 30,767.65 × 18,944.57
  4. Step 4: Simplify right side
    22,307.09x = 582,879,928.72
  5. Step 5: Solve for x
    x = 582,879,928.72/22,307.09
  6. Step 6: Final answer
    x = 26,129.81

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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.