Home / 22,561.70-31,102.56-15,826.41

Finding the Fourth Proportional to 22,561.70, 31,102.56 and 15,826.41

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Solution

The fourth proportional to 22,561.70, 31,102.56 and 15,826.41 is: 21,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.70 : 31,102.56 = 15,826.41 : x
  2. Step 2: Convert to fraction form
    22,561.70/31,102.56 = 15,826.41/x
  3. Step 3: Cross multiply
    22,561.70x = 31,102.56 × 15,826.41
  4. Step 4: Simplify right side
    22,561.70x = 492,241,866.61
  5. Step 5: Solve for x
    x = 492,241,866.61/22,561.70
  6. Step 6: Final answer
    x = 21,817.59

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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.