Home / 22,631.36-31,261.72-17,391.68

Finding the Fourth Proportional to 22,631.36, 31,261.72 and 17,391.68

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Solution

The fourth proportional to 22,631.36, 31,261.72 and 17,391.68 is: 24,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.36 : 31,261.72 = 17,391.68 : x
  2. Step 2: Convert to fraction form
    22,631.36/31,261.72 = 17,391.68/x
  3. Step 3: Cross multiply
    22,631.36x = 31,261.72 × 17,391.68
  4. Step 4: Simplify right side
    22,631.36x = 543,693,830.49
  5. Step 5: Solve for x
    x = 543,693,830.49/22,631.36
  6. Step 6: Final answer
    x = 24,023.91

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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.