Home / 22,225.35-30,671.37-13,273.65

Finding the Fourth Proportional to 22,225.35, 30,671.37 and 13,273.65

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Solution

The fourth proportional to 22,225.35, 30,671.37 and 13,273.65 is: 18,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.35 : 30,671.37 = 13,273.65 : x
  2. Step 2: Convert to fraction form
    22,225.35/30,671.37 = 13,273.65/x
  3. Step 3: Cross multiply
    22,225.35x = 30,671.37 × 13,273.65
  4. Step 4: Simplify right side
    22,225.35x = 407,121,030.40
  5. Step 5: Solve for x
    x = 407,121,030.40/22,225.35
  6. Step 6: Final answer
    x = 18,317.87

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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.