Home / 22,956.48-31,676.40-13,396.32

Finding the Fourth Proportional to 22,956.48, 31,676.40 and 13,396.32

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Solution

The fourth proportional to 22,956.48, 31,676.40 and 13,396.32 is: 18,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956.48 : 31,676.40 = 13,396.32 : x
  2. Step 2: Convert to fraction form
    22,956.48/31,676.40 = 13,396.32/x
  3. Step 3: Cross multiply
    22,956.48x = 31,676.40 × 13,396.32
  4. Step 4: Simplify right side
    22,956.48x = 424,347,190.85
  5. Step 5: Solve for x
    x = 424,347,190.85/22,956.48
  6. Step 6: Final answer
    x = 18,484.85

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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.