Home / 22,591.44-31,174.36-12,520.32

Finding the Fourth Proportional to 22,591.44, 31,174.36 and 12,520.32

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Solution

The fourth proportional to 22,591.44, 31,174.36 and 12,520.32 is: 17,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.44 : 31,174.36 = 12,520.32 : x
  2. Step 2: Convert to fraction form
    22,591.44/31,174.36 = 12,520.32/x
  3. Step 3: Cross multiply
    22,591.44x = 31,174.36 × 12,520.32
  4. Step 4: Simplify right side
    22,591.44x = 390,312,963.00
  5. Step 5: Solve for x
    x = 390,312,963.00/22,591.44
  6. Step 6: Final answer
    x = 17,277.03

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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.