Home / 22,378.37-33,565.77-13,012.40

Finding the Fourth Proportional to 22,378.37, 33,565.77 and 13,012.40

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Solution

The fourth proportional to 22,378.37, 33,565.77 and 13,012.40 is: 19,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.37 : 33,565.77 = 13,012.40 : x
  2. Step 2: Convert to fraction form
    22,378.37/33,565.77 = 13,012.40/x
  3. Step 3: Cross multiply
    22,378.37x = 33,565.77 × 13,012.40
  4. Step 4: Simplify right side
    22,378.37x = 436,771,057.72
  5. Step 5: Solve for x
    x = 436,771,057.72/22,378.37
  6. Step 6: Final answer
    x = 19,517.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.