Home / 22,674.32-31,320.30-15,588.44

Finding the Fourth Proportional to 22,674.32, 31,320.30 and 15,588.44

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Solution

The fourth proportional to 22,674.32, 31,320.30 and 15,588.44 is: 21,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.32 : 31,320.30 = 15,588.44 : x
  2. Step 2: Convert to fraction form
    22,674.32/31,320.30 = 15,588.44/x
  3. Step 3: Cross multiply
    22,674.32x = 31,320.30 × 15,588.44
  4. Step 4: Simplify right side
    22,674.32x = 488,234,617.33
  5. Step 5: Solve for x
    x = 488,234,617.33/22,674.32
  6. Step 6: Final answer
    x = 21,532.49

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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.