Home / 22,645.76-31,247.52-14,256.32

Finding the Fourth Proportional to 22,645.76, 31,247.52 and 14,256.32

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Solution

The fourth proportional to 22,645.76, 31,247.52 and 14,256.32 is: 19,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.76 : 31,247.52 = 14,256.32 : x
  2. Step 2: Convert to fraction form
    22,645.76/31,247.52 = 14,256.32/x
  3. Step 3: Cross multiply
    22,645.76x = 31,247.52 × 14,256.32
  4. Step 4: Simplify right side
    22,645.76x = 445,474,644.33
  5. Step 5: Solve for x
    x = 445,474,644.33/22,645.76
  6. Step 6: Final answer
    x = 19,671.44

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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.