Home / 22,912.29-31,630.77-15,826.41

Finding the Fourth Proportional to 22,912.29, 31,630.77 and 15,826.41

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Solution

The fourth proportional to 22,912.29, 31,630.77 and 15,826.41 is: 21,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.29 : 31,630.77 = 15,826.41 : x
  2. Step 2: Convert to fraction form
    22,912.29/31,630.77 = 15,826.41/x
  3. Step 3: Cross multiply
    22,912.29x = 31,630.77 × 15,826.41
  4. Step 4: Simplify right side
    22,912.29x = 500,601,534.64
  5. Step 5: Solve for x
    x = 500,601,534.64/22,912.29
  6. Step 6: Final answer
    x = 21,848.60

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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.